Ask a Spaceman!
What would happen if you fell into a black hole? How big is the universe? Just what the heck is a quasar, anyway? You've got questions, and astrophysicist Paul Sutter has the answers! Submit questions via Twitter using #AskASpaceman or post to facebook.com/PaulMattSutter. Every week you will come closer to COMPLETE KNOWLEDGE OF TIME AND SPACE!Podcasts
AaS! 223: Why is it So Hard to Return to the Moon?
Published: May 7, 2024, 11 a.m.Duration: 35 minutes 17 seconds
Listed in: Science
AaS! 222: What is the Most Distant Thing We Can See?
Published: April 16, 2024, 11 a.m.Duration: 35 minutes 47 seconds
Listed in: Science
AaS! 221: Will Emergent Gravity Rewrite Physics?
Published: April 2, 2024, 11 a.m.Duration: 36 minutes 14 seconds
Listed in: Science
AaS! 220: Will Our Universe End in a Big Rip?
Published: March 19, 2024, noonDuration: 39 minutes 51 seconds
Listed in: Science
AaS! 219: What's the Best Way to Defend Our Planet?
Published: March 5, 2024, noonDuration: 41 minutes 44 seconds
Listed in: Science
AaS! 218: How Do We Know What the Milky Way Looks Like?
Published: Feb. 20, 2024, noonDuration: 39 minutes 57 seconds
Listed in: Science
AaS! 217: Will We Achieve Fusion Power Soon?
Published: Feb. 6, 2024, noonDuration: 42 minutes 8 seconds
Listed in: Science
AaS! 216: Do Aliens Look Like Us?
Published: Jan. 16, 2024, noonDuration: 42 minutes 30 seconds
Listed in: Science
AaS! 215: How Does Science Regain Trust?
Published: Jan. 2, 2024, noonDuration: 48 minutes 38 seconds
Listed in: Science
AaS! 214: Is Empty Space Really...Empty?
Published: Dec. 19, 2023, noonDuration: 45 minutes 12 seconds
Listed in: Science
AaS! 213: How Were Ancient Astronomers So Good?
Published: Dec. 5, 2023, noonDuration: 39 minutes 51 seconds
Listed in: Science
AaS! 212: Where Do All the Elements Come From?
Published: Nov. 21, 2023, noonDuration: 42 minutes 40 seconds
Listed in: Science
AaS! 211: Will AI Take Over Astronomy?
Published: Nov. 7, 2023, noonDuration: 48 minutes 55 seconds
Listed in: Science
AaS! 210: How Does Space Affect the Climate?
Published: Oct. 17, 2023, 11 a.m.Duration: 37 minutes 39 seconds
Listed in: Science
AaS! 209: What Secrets Are Hiding in Triton?
Published: Oct. 3, 2023, 11 a.m.Duration: 36 minutes 58 seconds
Listed in: Science
AaS! 208: Where Are All the White Holes?
Published: Sept. 19, 2023, 11 a.m.Duration: 36 minutes 13 seconds
Listed in: Science
AaS! 207: How Far Do We Travel in Our Lives?
Published: Sept. 5, 2023, 11 a.m.Duration: 38 minutes 8 seconds
Listed in: Science
AaS! 206: What are the Weirdest Names in Astronomy?
Published: Aug. 15, 2023, 11 a.m.Duration: 29 minutes 28 seconds
Listed in: Science
AaS! 205: What's the Difference Between Science and Pseudoscience?
Published: Aug. 1, 2023, 11 a.m.Duration: 35 minutes 22 seconds
Listed in: Science
AaS! 204: How did Annie Jump Cannon Bring Order to the Universe?
Published: July 18, 2023, 11 a.m.Duration: 31 minutes 33 seconds
Listed in: Science
AaS! 203: Is the Universe a Giant Black Hole?
Published: July 4, 2023, 11 a.m.Duration: 25 minutes 18 seconds
Listed in: Science
AaS! 202: Could the Earth Leave the Solar System?
Published: June 13, 2023, 11 a.m.Duration: 30 minutes 40 seconds
Listed in: Science
AaS! 201: How Does Light Slow Down?
Published: June 6, 2023, 11 a.m.Duration: 39 minutes 57 seconds
Listed in: Science
AaS! 200: What are the Top 5 Mysteries in Astronomy?
Published: May 16, 2023, 11 a.m.Duration: 34 minutes 48 seconds
Listed in: Science
AaS! 199: What are the Top 5 Discoveries of All Time in Astronomy?
Published: May 2, 2023, 11 a.m.Duration: 41 minutes 56 seconds
Listed in: Science
AaS! 198: What's So Weird About Black Hole Shadows?
Published: April 18, 2023, 11 a.m.Duration: 32 minutes 5 seconds
Listed in: Science
AaS! 197: Which is Better, Human or Robotic Exploration?
Published: April 4, 2023, 11 a.m.Duration: 35 minutes 57 seconds
Listed in: Science
AaS! 196: Could We Ever Build a Dyson Sphere?
Published: March 21, 2023, noonDuration: 38 minutes 33 seconds
Listed in: Science
AaS! 195: How Cold Can Space Get?
Published: March 7, 2023, noonDuration: 29 minutes 31 seconds
Listed in: Science
AaS! 194: Does the Universe Rotate?
Published: Feb. 21, 2023, noonDuration: 43 minutes 16 seconds
Listed in: Science
AaS! 193: What are the Blue Stragglers?
Published: Feb. 7, 2023, noonDuration: 37 minutes 24 seconds
Listed in: Science
AaS! 192: Can Tachyons Exist?
Published: Jan. 17, 2023, noonDuration: 40 minutes 18 seconds
Listed in: Science
AaS! 191: What is the Meaning of Quantum Mechanics? (Part 9: Both/And)
Published: Jan. 3, 2023, noonDuration: 34 minutes 5 seconds
Listed in: Science
AaS! 190: What is the Meaning of Quantum Mechanics? (Part 8: For Nothing is Hidden)
Published: Dec. 20, 2022, noonDuration: 41 minutes 59 seconds
Listed in: Science
AaS! 189: What is the Meaning of Quantum Mechanics? (Part 7: Many Worlds, Infinite Possibilities)
Published: Dec. 6, 2022, noonDuration: 49 minutes 56 seconds
Listed in: Science
AaS! 188: What is the Meaning of Quantum Mechanics? (Part 6: Einsteins Revenge)
Published: Nov. 15, 2022, noonDuration: 39 minutes 2 seconds
Listed in: Science
AaS! 187: What is the Meaning of Quantum Mechanics? (Part 5: Dreams of Copenhagen)
Published: Nov. 1, 2022, 11 a.m.Duration: 39 minutes 44 seconds
Listed in: Science
AaS! 186: What is the Meaning of Quantum Mechanics? (Part 4: Its a Quantum, Quantum, Quantum World)
Published: Oct. 18, 2022, 11 a.m.Duration: 29 minutes 26 seconds
Listed in: Science
AaS! 185: What is the Meaning of Quantum Mechanics? (Part 3: There and Back Again)
Published: Oct. 4, 2022, 11 a.m.Duration: 48 minutes 40 seconds
Listed in: Science
AaS! 184: What is the Meaning of Quantum Mechanics? (Part 2: Quantum Mechanics 102)
Published: Sept. 20, 2022, 11 a.m.Duration: 43 minutes 17 seconds
Listed in: Science
AaS! 183: What is the Meaning of Quantum Mechanics? (Part 1: This Way to the Weird)
Published: Sept. 6, 2022, 11 a.m.Duration: 37 minutes 21 seconds
Listed in: Science
AaS! 182: Wait, Super-Atoms are a Real Thing?
Published: Aug. 16, 2022, 11 a.m.Duration: 37 minutes 26 seconds
Listed in: Science
AaS! 181: What is the Principle of Least Action?
Published: Aug. 2, 2022, 11 a.m.Duration: 36 minutes 39 seconds
Listed in: Science
AaS! 180: How Does Pulsar Timing Work?
Published: July 19, 2022, 11 a.m.Duration: 33 minutes 58 seconds
Listed in: Science
AaS! 179: What are the Alternatives to Dark Matter?
Published: July 5, 2022, 11 a.m.Duration: 44 minutes 49 seconds
Listed in: Science
AaS! 178: How Big Can Planets Get?
Published: June 21, 2022, 11 a.m.Duration: 38 minutes 44 seconds
Listed in: Science
AaS! 177: How Do Black Holes Affect Their Galaxies?
Published: June 7, 2022, 11 a.m.Duration: 33 minutes 26 seconds
Listed in: Science
AaS! 176: Why is Gravity So Weak?
Published: May 17, 2022, 11 a.m.Duration: 35 minutes 6 seconds
Listed in: Science
AaS! 175: Should We Be Afraid of the Dipole Repeller?
Published: May 3, 2022, 11 a.m.Duration: 38 minutes 34 seconds
Listed in: Science
AaS! 174: What Solves the Twin Paradox?
Published: April 19, 2022, 11 a.m.Duration: 28 minutes 27 seconds
Listed in: Science
AaS! 173: How Does Radioactive Decay Work?
Published: April 5, 2022, 11 a.m.Duration: 30 minutes 47 seconds
Listed in: Science
AaS! 172: What Are Some Alternatives to the Big Bang Theory?
Published: March 15, 2022, 11 a.m.Duration: 35 minutes 36 seconds
Listed in: Science
AaS! 171: What are Lagrange Points?
Published: March 1, 2022, noonDuration: 30 minutes 7 seconds
Listed in: Science
AaS! 170: Whats So Fine About the Fine Structure Constant?
Published: Feb. 15, 2022, noonDuration: 37 minutes 45 seconds
Listed in: Science
AaS! 169: What Is Loop Quantum Gravity?
Published: Feb. 1, 2022, noonDuration: 39 minutes 35 seconds
Listed in: Science
AaS! 168: Can We Get Some Love for Globular Clusters?
Published: Jan. 18, 2022, noonDuration: 29 minutes 38 seconds
Listed in: Science
AaS! 167: Do We Live In a Giant Simulation?
Published: Jan. 4, 2022, noonDuration: 46 minutes 31 seconds
Listed in: Science
AaS! 166: Whats the Truth Behind Oumuamua?
Published: Dec. 21, 2021, noonDuration: 47 minutes 18 seconds
Listed in: Science
AaS! 165: What Comes After the James Webb Space Telescope?
Published: Dec. 7, 2021, noonDuration: 35 minutes 19 seconds
Listed in: Science
AaS! 164: Where Can We Find Diamond Rain?
Published: Nov. 16, 2021, noonDuration: 27 minutes 2 seconds
Listed in: Science
AaS! 163: Will Our Universe End in a False Vacuum Decay?
Published: Nov. 2, 2021, 11 a.m.Duration: 33 minutes 32 seconds
Listed in: Science
AaS! 162: What the Heck are Gamma Ray Bursts?
Published: Oct. 19, 2021, 11 a.m.Duration: 34 minutes 5 seconds
Listed in: Science
AaS! 161: Is There a Crisis in Cosmology? RELOADED
Published: Oct. 5, 2021, 11 a.m.Duration: 40 minutes 1 second
Listed in: Science
AaS! 160: Whats the Best Way to Search for Life?
Published: Sept. 21, 2021, 11 a.m.Duration: 43 minutes 58 seconds
Listed in: Science
AaS! 159: Why Should We Geek Out Over Maxwell?
Published: Sept. 7, 2021, 11 a.m.Duration: 40 minutes 52 seconds
Listed in: Science
AaS! 158: Whats So Groovy About Gravitational Waves? (Part 2)
Published: Aug. 17, 2021, 11 a.m.Duration: 42 minutes 58 seconds
Listed in: Science
AaS! 157: Whats So Groovy About Gravitational Waves? (Part 1)
Published: Aug. 3, 2021, 11 a.m.Duration: 45 minutes 8 seconds
Listed in: Science
AaS! 156: What are Asteroids Good For?
Published: July 20, 2021, 11 a.m.Duration: 39 minutes 11 seconds
Listed in: Science
AaS! 155: Whos Going To Clean Up All That Space Junk?
Published: July 6, 2021, 11 a.m.Duration: 38 minutes 16 seconds
Listed in: Science
AaS! 154: Is There REALLY a Crisis in Cosmology?
Published: June 15, 2021, 11 a.m.Duration: 37 minutes 43 seconds
Listed in: Science
AaS! 153: What is a Black Hole Firewall, and Do They Really Exist??
Published: June 1, 2021, 11 a.m.Duration: 38 minutes 12 seconds
Listed in: Science
AaS! 152: Could We Really Terraform Mars?
Published: May 18, 2021, 11 a.m.Duration: 36 minutes 43 seconds
Listed in: Science
AaS! 151: How Do Quantum Computers Work?
Published: May 4, 2021, 11 a.m.Duration: 41 minutes 39 seconds
Listed in: Science
AaS! 150: Why Dont Neutrinos Make Any Sense?
Published: April 20, 2021, 11 a.m.Duration: 41 minutes 42 seconds
Listed in: Science
AaS! 149: Is the Universe a Fractal?
Published: April 6, 2021, 11 a.m.Duration: 31 minutes 44 seconds
Listed in: Science
AaS! 148: Whats Outside the Universe?
Published: March 16, 2021, 11 a.m.Duration: 35 minutes 15 seconds
Listed in: Science
AaS! 147: Whats the Deal with the Uncertainty Principle?
Published: March 2, 2021, noonDuration: 39 minutes 43 seconds
Listed in: Science
AaS! 146: Astro101 Part 8 - What is the Future of Astronomy?
Published: Feb. 16, 2021, noonDuration: 38 minutes 19 seconds
Listed in: Science
AaS! 145: Astro101 Part 7 - What is the Universe?
Published: Feb. 2, 2021, noonDuration: 46 minutes 12 seconds
Listed in: Science
AaS! 144: Astro101 Part 6 - What are Galaxies?
Published: Jan. 19, 2021, noonDuration: 42 minutes 36 seconds
Listed in: Science
AaS! 143: Astro101 Part 5 - What are Neutron Stars, White Dwarfs, and Black Holes?
Published: Jan. 5, 2021, noonDuration: 38 minutes 1 second
Listed in: Science
AaS! 142: Astro101 Part 4 - What Happens When Stars Die?
Published: Dec. 15, 2020, noonDuration: 34 minutes 46 seconds
Listed in: Science
AaS! 141: Astro101 Part 3 - What is a Star?
Published: Dec. 1, 2020, noonDuration: 35 minutes 27 seconds
Listed in: Science
AaS! 140: Astro101 Part 2 - Who lives in the solar system?
Published: Nov. 17, 2020, noonDuration: 35 minutes 11 seconds
Listed in: Science
AaS! 139: Astro101 Part 1 - Why bother with astronomy?
Published: Nov. 3, 2020, noonDuration: 35 minutes 28 seconds
Listed in: Science
AaS! 138: Could the "emdrive" really work?
Published: Oct. 20, 2020, 11 a.m.Duration: 33 minutes 51 seconds
Listed in: Science
AaS! 137: What's really at the center of a black hole?
Published: Oct. 6, 2020, 11 a.m.Duration: 32 minutes 18 seconds
Listed in: Science
AaS! 136: Can planets survive the death of their star?
Published: Sept. 15, 2020, 11 a.m.Duration: 30 minutes 56 seconds
Listed in: Science
AaS! 135: Why Aren't There More Black Physicists?
Published: Sept. 1, 2020, 11 a.m.Duration: 30 minutes 44 seconds
Listed in: Science
AaS! 134: Is there a fifth force of nature?
Published: Aug. 18, 2020, 11 a.m.Duration: 31 minutes 44 seconds
Listed in: Science
AaS! 133: How do we know the Earth is curved?
Published: Aug. 4, 2020, 11 a.m.Duration: 32 minutes 53 seconds
Listed in: Science
AaS! 132: What did Einstein get wrong?
Published: July 21, 2020, 11 a.m.Duration: 35 minutes 44 seconds
Listed in: Science
AaS! 131: What's so cool about the TRAPPIST-1 system?
Published: July 7, 2020, 11 a.m.Duration: 33 minutes 49 seconds
Listed in: Science
AaS! 130: What's the most amazing thing about the universe?
Published: June 16, 2020, 11 a.m.Duration: 25 minutes 48 seconds
Listed in: Science
AaS! 129: Did the big bang make black holes?
Published: June 2, 2020, 11 a.m.Duration: 32 minutes 46 seconds
Listed in: Science
AaS! 128: Why are we missing all the baryons?
Published: May 19, 2020, 11 a.m.Duration: 27 minutes 9 seconds
Listed in: Science
AaS! 127: What was Newton's big deal?
Published: May 5, 2020, 11 a.m.Duration: 42 minutes 58 seconds
Listed in: Science
AaS! 126: What's the wildest weather in the solar system?
Published: April 21, 2020, 11 a.m.Duration: 32 minutes 52 seconds
Listed in: Science
AaS! 125: Does Planet Nine exist?
Published: April 7, 2020, 11 a.m.Duration: 33 minutes 56 seconds
Listed in: Science
AaS! 124: Why is the speed of light the way it is?
Published: March 17, 2020, 11:30 a.m.Duration: 35 minutes 44 seconds
Listed in: Science
How to Die in Space: Sneak Preview
Published: March 10, 2020, 11 a.m.Duration: 14 minutes 27 seconds
Listed in: Science
AaS! 123: What powers a hypernova?
Published: March 3, 2020, noonDuration: 27 minutes 16 seconds
Listed in: Science
AaS! 122: Is String Theory Worth It? (Part 8: An Armageddon of Strings)
Published: Feb. 18, 2020, noonDuration: 48 minutes 33 seconds
Listed in: Science
AaS! 121: Is String Theory Worth It? (Part 7: A Correspondence from a Dear Friend)
Published: Feb. 4, 2020, noonDuration: 30 minutes 25 seconds
Listed in: Science
AaS! 120: Is String Theory Worth It? (Part 6: We Should Probably Test This)
Published: Jan. 21, 2020, noonDuration: 32 minutes 14 seconds
Listed in: Science
AaS! 119: Is String Theory Worth It? (Part 5: Duality of the Fates)
Published: Jan. 7, 2020, 1 p.m.Duration: 35 minutes 56 seconds
Listed in: Science
AaS! 118: Is String Theory Worth It? (Part 4: What We Need is a Superhero)
Published: Dec. 17, 2019, noonDuration: 42 minutes 28 seconds
Listed in: Science
AaS! 117: Is String Theory Worth It? (Part 3: Dimension is Destiny)
Published: Dec. 3, 2019, noonDuration: 42 minutes 17 seconds
Listed in: Science
AaS! 116: Is String Theory Worth It? (Part 2: Tuning the Strings)
Published: Nov. 19, 2019, noonDuration: 48 minutes 17 seconds
Listed in: Science
AaS! 115: Is String Theory Worth It? (Part 1: Unify This!)
Published: Nov. 5, 2019, noonDuration: 49 minutes 58 seconds
Listed in: Science
AaS! 114: How did spectroscopy revolutionize astronomy?
Published: Oct. 15, 2019, 4 p.m.Duration: 31 minutes 39 seconds
Listed in: Science
AaS! 113: Is the James Webb Space Telescope worth the wait?
Published: Oct. 1, 2019, 11 a.m.Duration: 36 minutes 12 seconds
Listed in: Science
AaS! 112: Why can't I quantum tunnel myself?
Published: Sept. 17, 2019, 11 a.m.Duration: 39 minutes 1 second
Listed in: Science
AaS! 111: What's it like to fall into a black hole? (redux)
Published: Sept. 3, 2019, 11 a.m.Duration: 41 minutes 47 seconds
Listed in: Science
AaS! 110: Is the universe really predictable?
Published: Aug. 20, 2019, 11 a.m.Duration: 25 minutes 36 seconds
Listed in: Science
AaS! 109: What are the mysterious cosmic strings?
Published: Aug. 6, 2019, 11 a.m.Duration: 28 minutes 36 seconds
Listed in: Science
AaS! 108: What do we learn from eclipses?
Published: July 16, 2019, 11 a.m.Duration: 32 minutes 25 seconds
Listed in: Science
AaS! 107: Is interstellar travel possible?
Published: July 2, 2019, 11 a.m.Duration: 37 minutes 23 seconds
Listed in: Science
AaS! 106: How do we measure the expansion of the universe?
Published: June 18, 2019, 11 a.m.Duration: 36 minutes 13 seconds
Listed in: Science
AaS! 105: Is everything a wave or a particle, and why does my head hurt?
Published: June 4, 2019, 11 a.m.Duration: 27 minutes 3 seconds
Listed in: Science
AaS! 104: What turned Venus into hell?
Published: May 21, 2019, 11 a.m.Duration: 24 minutes 7 seconds
Listed in: Science
AaS! 103: What's wrong with the cosmic calendar?
Published: May 7, 2019, 11 a.m.Duration: 24 minutes 32 seconds
Listed in: Science
AaS! 102: What are the mighty clusters of galaxies?
Published: April 16, 2019, 11 a.m.Duration: 32 minutes 46 seconds
Listed in: Science
AaS! 101: What is the black hole information paradox?
Published: April 2, 2019, 11 a.m.Duration: 26 minutes 36 seconds
Listed in: Science
AaS! 100: Why avoid the cosmic voids?
Published: March 19, 2019, 11 a.m.Duration: 30 minutes 34 seconds
Listed in: Science
AaS! 99: Do we live in the multiverse?
Published: March 5, 2019, noonDuration: 35 minutes 58 seconds
Listed in: Science
AaS! 98: Who's in charge of the quantum world?
Published: Feb. 19, 2019, noonDuration: 26 minutes 43 seconds
Listed in: Science
AaS! 97: What makes the strong force so strong?
Published: Feb. 5, 2019, noonDuration: 25 minutes 45 seconds
Listed in: Science
AaS! 96: Hey, who took all the antimatter?
Published: Jan. 15, 2019, noonDuration: 23 minutes 5 seconds
Listed in: Science
AaS! 95: Does light experience time? (and other mysteries)
Published: Jan. 1, 2019, noonDuration: 27 minutes 22 seconds
Listed in: Science
AaS! 94: How did we figure out that stuff is made of atoms?
Published: Dec. 18, 2018, noonDuration: 46 minutes 7 seconds
Listed in: Science
AaS! 93: Does the Oort Cloud Exist?
Published: Dec. 4, 2018, noonDuration: 41 minutes 9 seconds
Listed in: Science
AaS! 92: I give up, what is time?
Published: Nov. 20, 2018, noonDuration: 36 minutes 13 seconds
Listed in: Science
AaS! 91: Could we blow up a star?
Published: Nov. 6, 2018, noonDuration: 30 minutes 1 second
Listed in: Science
AaS! 90: Why are brown dwarf stars so weird?
Published: Oct. 16, 2018, 11 a.m.Duration: 33 minutes 41 seconds
Listed in: Science
AaS! 89: What makes all the light?
Published: Oct. 2, 2018, 11 a.m.Duration: 26 minutes 53 seconds
Listed in: Science
A Reading from the Book of Paul
Published: Sept. 25, 2018, 11 a.m.Duration: 23 minutes 40 seconds
Listed in: Science
AaS! 88: Is the Drake Equation useful?
Published: Sept. 18, 2018, 11 a.m.Duration: 33 minutes 44 seconds
Listed in: Science
AaS! 87: How do magnets work?
Published: Sept. 4, 2018, 11 a.m.Duration: 31 minutes 28 seconds
Listed in: Science
AaS! 86: Why do we need cosmic inflation? (Part 2)
Published: Aug. 21, 2018, 11 a.m.Duration: 33 minutes 35 seconds
Listed in: Science
AaS! 85: Why do we need cosmic inflation? (Part 1)
Published: Aug. 7, 2018, 11 a.m.Duration: 34 minutes 44 seconds
Listed in: Science
AaS! 84: How does dark energy accelerate the universe?
Published: July 17, 2018, 11 a.m.Duration: 43 minutes 8 seconds
Listed in: Science
AaS! 83: Can entangled particles communicate faster than light?
Published: July 3, 2018, 11 a.m.Duration: 32 minutes 35 seconds
Listed in: Science
AaS! 82: What awoke the cosmic dawn?
Published: June 19, 2018, 11 a.m.Duration: 35 minutes 58 seconds
Listed in: Science
AaS! 81: How do you build a rocket-ship?
Published: June 5, 2018, 11 a.m.Duration: 31 minutes 44 seconds
Listed in: Science
AaS! 80: What made the "OMG Particle" so special?
Published: May 15, 2018, 11 a.m.Duration: 38 minutes 52 seconds
Listed in: Science
AaS! 79: Seriously, what is gravity? (Part 3)
Published: May 1, 2018, 11 a.m.Duration: 42 minutes 14 seconds
Listed in: Science
AaS! 78: Seriously, what is gravity? (Part 2)
Published: April 17, 2018, 11 a.m.Duration: 34 minutes 38 seconds
Listed in: Science
AaS! 77: Seriously, what is gravity? (Part 1)
Published: April 3, 2018, 11 a.m.Duration: 38 minutes 33 seconds
Listed in: Science
AaS! 76: Iceland Question Bonanza!
Published: March 20, 2018, noonDuration: 31 minutes 17 seconds
Listed in: Science
AaS! 75: Why is Iceland so warm?
Published: March 6, 2018, 1 p.m.Duration: 31 minutes 35 seconds
Listed in: Science
AaS! 74: Why are small stars such a big deal?
Published: Feb. 20, 2018, noonDuration: 26 minutes 59 seconds
Listed in: Science
AaS! 73: Why should we believe the big bang?
Published: Feb. 6, 2018, noonDuration: 30 minutes 38 seconds
Listed in: Science
AaS! 72: How does gravity make a lens?
Published: Jan. 16, 2018, noonDuration: 34 minutes 50 seconds
Listed in: Science
AaS! 71: Who lives in the particle zoo?
Published: Jan. 2, 2018, noonDuration: 32 minutes 54 seconds
Listed in: Science
AaS! 70: Can we have some quark stars, please?
Published: Dec. 19, 2017, noonDuration: 39 minutes 25 seconds
Listed in: Science
AstroTour: Atacama Dark Sky Retreat
Published: Dec. 8, 2017, 12:53 p.m.Duration: 9 minutes 58 seconds
Listed in: Science
AaS! 69: What makes a blazar blaze so brightly?
Published: Dec. 5, 2017, noonDuration: 29 minutes 40 seconds
Listed in: Science
AaS! 68: Do we live in a hologram?
Published: Nov. 21, 2017, noonDuration: 26 minutes 40 seconds
Listed in: Science
AaS! 67: Why can't I be an astrophysicist?
Published: Nov. 7, 2017, noonDuration: 33 minutes 1 second
Listed in: Science
AaS! 66: What in the world is metallic hydrogen?
Published: Oct. 17, 2017, 11 a.m.Duration: 30 minutes 37 seconds
Listed in: Science
AaS! 65: How does one become an astrophysicist?
Published: Oct. 3, 2017, 11 a.m.Duration: 38 minutes 40 seconds
Listed in: Science
All about the "Sea and the Stars" AstroTour
Published: Sept. 26, 2017, 11 a.m.Duration: 11 minutes 15 seconds
Listed in: Science
AaS! 64: What fate awaits the Voyagers?
Published: Sept. 19, 2017, 11 a.m.Duration: 29 minutes 32 seconds
Listed in: Science
AaS! 63: How are we to understand quantum spin?
Published: Sept. 5, 2017, 11 a.m.Duration: 33 minutes 53 seconds
Listed in: Science
AaS! 62: Why do some stars blow up?
Published: Aug. 15, 2017, 11 a.m.Duration: 28 minutes 19 seconds
Listed in: Science
Update and Space Radio Preview
Published: Aug. 8, 2017, 11 a.m.Duration: 26 minutes 42 seconds
Listed in: Science
AaS! 61: Where do giant magnetic fields come from?
Published: Aug. 1, 2017, 11 a.m.Duration: 29 minutes 33 seconds
Listed in: Science
AaS! 60: What's the Deal with Time Crystals?
Published: July 18, 2017, 11 a.m.Duration: 34 minutes 5 seconds
Listed in: Science
AaS! 59: Do Black Holes Exist?
Published: July 4, 2017, 11 a.m.Duration: 29 minutes 17 seconds
Listed in: Science
AaS! 58: Is time travel possible?
Published: June 20, 2017, 11 a.m.Duration: 20 minutes 55 seconds
Listed in: Science
AaS! 57: What's the matter with dark matter?
Published: June 6, 2017, 11 a.m.Duration: 33 minutes 49 seconds
Listed in: Science
AaS! 56: What is the "Axis of Evil"?
Published: May 16, 2017, 11 a.m.Duration: 35 minutes 57 seconds
Listed in: Science
AaS! 55: Does dark energy exist?
Published: May 2, 2017, 11 a.m.Duration: 36 minutes 45 seconds
Listed in: Science
AaS! 54: What happens when galaxies collide?
Published: April 18, 2017, 11 a.m.Duration: 37 minutes 34 seconds
Listed in: Science
AaS! 53: Why is the Higgs boson important? (Part 2)
Published: April 4, 2017, 11 a.m.Duration: 30 minutes 34 seconds
Listed in: Science
AaS! 52: Why is the Higgs Boson important? (Part 1)
Published: March 21, 2017, 11 a.m.Duration: 37 minutes 55 seconds
Listed in: Science
AaS! 51: What has New Horizons learned about Pluto?
Published: March 7, 2017, noonDuration: 50 minutes 23 seconds
Listed in: Science
AaS! 50: What's up with Saturn's rings?
Published: Feb. 21, 2017, noonDuration: 40 minutes 13 seconds
Listed in: Science
AaS! 49: What were the most clever experiments of all time?
Published: Feb. 7, 2017, noonDuration: 45 minutes 12 seconds
Listed in: Science
AaS! 48: Why are Kepler's Laws important?
Published: Jan. 17, 2017, noonDuration: 35 minutes 53 seconds
Listed in: Science
AaS! 47: What's the universe made of?
Published: Jan. 3, 2017, noonDuration: 42 minutes 48 seconds
Listed in: Science
AaS! 46: How to describe astronomy to the blind?
Published: Dec. 20, 2016, noonDuration: 36 minutes 42 seconds
Listed in: Science
AaS! 45: Wormholes - deal or no deal?
Published: Dec. 6, 2016, noonDuration: 36 minutes 16 seconds
Listed in: Science
AaS! 44: How does the sun get spots?
Published: Nov. 15, 2016, noonDuration: 36 minutes 13 seconds
Listed in: Science
AaS! 43: What's the Shape of the Universe?
Published: Nov. 1, 2016, 11 a.m.Duration: 32 minutes 45 seconds
Listed in: Science
AaS! 42: Where do "weird" radio signals come from?
Published: Oct. 18, 2016, 11 a.m.Duration: 33 minutes 9 seconds
Listed in: Science
AaS! 41: How do (regular) novas work?
Published: Oct. 4, 2016, 11 a.m.Duration: 34 minutes 9 seconds
Listed in: Science
AaS! 40: Do black holes die?
Published: Sept. 20, 2016, 11 a.m.Duration: 41 minutes 19 seconds
Listed in: Science
AaS! 39: Is there life on Europa?
Published: Sept. 6, 2016, 11 a.m.Duration: 41 minutes 53 seconds
Listed in: Science
AaS! 38: How do we see beyond the visible?
Published: Aug. 16, 2016, noonDuration: 34 minutes 43 seconds
Listed in: Science
AaS! 37: What is the cosmic microwave background (Part 2)?
Published: Aug. 2, 2016, noonDuration: 46 minutes 56 seconds
Listed in: Science
AaS! 36: What is the cosmic microwave background? (Part 1)
Published: July 19, 2016, noonDuration: 43 minutes 22 seconds
Listed in: Science
AaS! 35: What are "virtual particles"?
Published: July 5, 2016, noonDuration: 36 minutes 59 seconds
Listed in: Science
AaS! 34: What is the Great Attractor?
Published: June 21, 2016, noonDuration: 39 minutes 29 seconds
Listed in: Science
AaS! 33: What if the moon disappeared?
Published: June 7, 2016, noonDuration: 30 minutes
Listed in: Science
AaS! 32: Where do nebulae come from?
Published: May 17, 2016, noonDuration: 36 minutes 16 seconds
Listed in: Science
AaS! 31: How can the universe expand faster than light?
Published: May 3, 2016, noonDuration: 35 minutes 22 seconds
Listed in: Science
AaS! 30: 2nd-Grade Question Bonanza!
Published: April 19, 2016, noonDuration: 27 minutes 7 seconds
Listed in: Science
AaS! 29: Why does E=mc^2?
Published: April 5, 2016, noonDuration: 37 minutes 18 seconds
Listed in: Science
AaS! 28: What's the point in talking about science?
Published: March 15, 2016, noonDuration: 44 minutes 3 seconds
Listed in: Science
AaS! 27: How does gravity make waves?
Published: March 1, 2016, 1 p.m.Duration: 43 minutes 12 seconds
Listed in: Science
AaS! 26: Wolf-Rayet Stars: Sci-Fi or What?
Published: Feb. 16, 2016, 1 p.m.Duration: 31 minutes 8 seconds
Listed in: Science
AaS! 25: How do we know how far away stuff is...far away?
Published: Feb. 2, 2016, 1 p.m.Duration: 37 minutes 7 seconds
Listed in: Science
AaS! 24: What's the beef with quantum gravity?
Published: Jan. 19, 2016, 1 p.m.Duration: 45 minutes 27 seconds
Listed in: Science
Aas! 23: What's up with exoplanets?
Published: Jan. 5, 2016, 1 p.m.Duration: 39 minutes 2 seconds
Listed in: Science
AaS! Transient Special: What was the Christmas star?
Published: Dec. 22, 2015, 1 p.m.Duration: 8 minutes 28 seconds
Listed in: Science
AaS! 22: Question Bonanza!
Published: Dec. 15, 2015, 1 p.m.Duration: 59 minutes 6 seconds
Listed in: Science
AaS! 21: Are we really made of stars?
Published: Dec. 1, 2015, 1 p.m.Duration: 28 minutes 48 seconds
Listed in: Science
AaS! 20: How much light is in the universe?
Published: Nov. 17, 2015, 1 p.m.Duration: 29 minutes 32 seconds
Listed in: Science
AaS! Special: What did you think of The Martian?
Published: Nov. 12, 2015, 1 p.m.Duration: 33 minutes 40 seconds
Listed in: Science
AaS! 19: How do planets get magnetic fields?
Published: Nov. 3, 2015, 1 p.m.Duration: 31 minutes 24 seconds
Listed in: Science
AaS! 18: Is the universe dying?
Published: Oct. 20, 2015, noonDuration: 42 minutes 35 seconds
Listed in: Science
AaS! 17: What banged the Big Bang?
Published: Oct. 6, 2015, noonDuration: 48 minutes 16 seconds
Listed in: Science
AaS! 16: How do spiral galaxies form?
Published: Sept. 15, 2015, noonDuration: 35 minutes 16 seconds
Listed in: Science
AaS! 15: Will we colonize Mars?
Published: Sept. 1, 2015, noonDuration: 45 minutes 19 seconds
Listed in: Science
AaS! 14: What is spacetime? (Part 2)
Published: Aug. 18, 2015, noonDuration: 35 minutes 33 seconds
Listed in: Science
AaS! 14: What is spacetime? (Part 1)
Published: Aug. 4, 2015, noonDuration: 40 minutes 29 seconds
Listed in: Science
AaS! 13: What the heck is a magnetar?
Published: July 21, 2015, 4 p.m.Duration: 32 minutes 23 seconds
Listed in: Science
AaS! 12: Is life possible around binary stars?
Published: July 7, 2015, 4 p.m.Duration: 34 minutes 33 seconds
Listed in: Science
AaS! 011: What do we do in space?
Published: June 16, 2015, 4 p.m.Duration: 39 minutes 7 seconds
Listed in: Science
AaS! 010: How do black holes form?
Published: June 2, 2015, 4 p.m.Duration: 40 minutes 23 seconds
Listed in: Science
AaS! 009: How big is the universe?
Published: May 19, 2015, 4 p.m.Duration: 39 minutes 31 seconds
Listed in: Science
AaS! 008: Will a comet kill us all?
Published: May 5, 2015, 4 p.m.Duration: 38 minutes 40 seconds
Listed in: Science
AaS! 007: How do we know that dark matter exists?
Published: April 21, 2015, 4 p.m.Duration: 29 minutes 46 seconds
Listed in: Science
AaS! 006: When did the first stars appear?
Published: April 7, 2015, 4 p.m.Duration: 25 minutes 11 seconds
Listed in: Science
AaS! Transient Special: When is the next eclipse?
Published: March 27, 2015, 4 p.m.Duration: 18 minutes 10 seconds
Listed in: Science
AaS! 005: Where did the oceans come from?
Published: March 20, 2015, 4 p.m.Duration: 24 minutes 37 seconds
Listed in: Science
AaS! 004: Are there aliens...out there?
Published: Feb. 20, 2015, 5 p.m.Duration: 25 minutes 50 seconds
Listed in: Science