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Published: Oct. 18, 2021, 9 p.m.

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In this week\'s live questions and answer show, I explain how astronomers measure the distance to gravitational wave events, how clean are spacecraft sent to Mars, and would it be possible to have a sample return mission from Titan?

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https://www.universetoday.com/150507/a-titan-mission-could-refuel-on-site-and-return-a-sample-to-earth/

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00:00 Start
\\n00:25 How do we calculate the distance of gravitational waves?
\\n03:36 Have Mars spacecraft been sterilized?
\\n05:54 Is a sample return mission possible from Titan?
\\n09:11 How fast would time go if there was no gravity?
\\n11:01 Could a tiny vehicle fly autonomously around the ISS?
\\n12:18 Is NASA planning to impact an asteroid?
\\n14:06 Could space missions be build cheaper?
\\n16:26 What science experiments could be done on a Moon base?
\\n18:50 Will there still be time at the end of the Universe?
\\n20:25 Would a rogue planet catch us off guard?
\\n22:15 Could landers build their own rovers?
\\n24:23 How do launch platforms deal with the rocket exhaust.
\\n25:23 Which solution to the Fermi Paradox is my favorite?

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Want to be part of the questions show? Ask a short question on any video on my channel. I gather a bunch up each week and answer them here.

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