3 ms·
Microwave background provides a kind of reference frame for the universe. We are moving ~370km/s relative to it [0]. We are fairly certain CMB is homogenous so
by ivalm 6y ago
Microwave background provides a kind of reference frame for the universe. We are moving ~370km/s relative to it [0]. We are fairly certain CMB is homogenous so this reference frame is same everywhere.
[0] https://en.m.wikipedia.org/wiki/Cosmic_microwave_background https://en.m.wikipedia.org/wiki/Cosmic_microwave_background