Jim Cooney joins Josh and Addie to talk about the origin of galaxies and the observation of a galaxy from when the universe was but a teeny weeny baby of a universe, less than 1/12th its current size. Also, Scott Kelly is back on terra firma and has to deal with gravity. Hear all about redshifts, the big bang, and hyposprays on this episode of Walkabout the Galaxy.
The headlines have this one all wrong. It is not the oldest galaxy. In fact, as far as we know, this galaxy got killed in a car accident when it was just a kid. We’re seeing it as a mere infant. It is, in fact, the babiest of galaxies.
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And here’s some background reading:
NASA news release