The Cosmic Microwave Background (CMB) from our perspective The CMB defines the size of our observable universe, stretching ~46.5 billon light years across The Milky Way is .003 times as small as the glowing blue dot at the center, which itself is ~230 million light years acrosspic.twitter.com/f6jzgtBpm5
-
Show this thread
-
Replying to @InertialObservr
In one sense it’s the boundary of the observable universe, but it’s not the limit of what we are causally connected to or can in principle observe (eg primordial neutrinos and gravitational waves). Agree?
1 reply 0 retweets 6 likes
Loading seems to be taking a while.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.