SpaceTime with Stuart Gary Series 19 Episode 60 - First stars formed later than thought...
Stream on demand from www.bitesz.com or www.spacetimewithstuartgary.com (both mobile friendly). Have you subscribe to our new YouTube channel yet? Stuart here with the Show Notes for Spacetime Series 19 Episode 60: *First stars formed later than previously thought New research has discovered that the first stars in the Universe began shining far later than previously thought. The findings \u2013 based on new data from the European Space Agency\u2019s Planck satellite -- also indicate that these first generation stars were the only sources needed to re-ionize the entire universe \u2013 giving us the cosmos we see today. *New study raising puzzling questions about galaxy evolution A new study charting the rise and fall of galaxies over 90 percent of cosmic history -- has discovered galactic diversity in the early universe was similar to what astronomers see today. The new findings raise some profound questions about galactic evolution \u2013 how could galaxies which appear old and no longer make stars \u2013 exist in such a young universe. *Asteroid close encounter It\u2019s been revealed that the Earth barely escaped being hit by an asteroid on Saturday. The 34 metre wide space rock flew past the Earth at a distance of just 84 thousand 619 kilometres \u2013 just hours after first being discovered.\xa0 Learn more about your ad choices. Visit megaphone.fm/adchoices
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