2.15 cm/s per light-year
Also, did you know the term "Big Bang" was originally intended as an insult of the model (by Fred Hoyle). It stuck on.
Thursday, August 14, 2008
Hubble's Constant
I was working with Hubble's constant last night -- 70.1 km/s/Mpc, the expansion rate of the universe, and realized it could also be written as
which is amusing but probably useless, except it does show you how huge the universe is if a star 2 ly away is only receding 2 cm/s faster than a star one ly away.
Also, did you know the term "Big Bang" was originally intended as an insult of the model (by Fred Hoyle). It stuck on.
Also, did you know the term "Big Bang" was originally intended as an insult of the model (by Fred Hoyle). It stuck on.
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