Why Do Astrophysicists Think the Universe is Expanding? #SaturdayMorningCartoons
Is the universe expanding? Is this an aftereffect of the Big Bang? Or is it still the big bang, and we’re still exploding? And if it is, is it slowing down? As it turns out, it’s much, much stranger than that.
The universe isn’t just expanding — it’s expanding faster and faster and faster. Why? Nobody knows.