SpaceTime with Stuart Gary

SpaceTime with Stuart Gary Series 19 Episode 60 Show Notes

2/9/2016

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 – based on new data from the European Space Agency’s Planck satellite -- also indicate that these first generation stars were the only sources needed to re-ionize the entire universe – 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 – how could galaxies which appear old and no longer make stars – exist in such a young universe.

Asteroid close encounter
It’s 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 – just hours after first being discovered.

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