How we see galaxy spin
28:25–28:53 · 28s
Neil reveals how astronomers determine a galaxy’s rotation even when it’s edge-on using blue- and redshift—a neat, counterintuitive observational trick.
28:25–28:53 · 28s
Neil reveals how astronomers determine a galaxy’s rotation even when it’s edge-on using blue- and redshift—a neat, counterintuitive observational trick.
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