what exactly is the cosmic microwave background?

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Is it a map of the observable universe? Is it the big bang? Very unclear

In: Planetary Science

4 Answers

Anonymous 0 Comments

The (CMB) is the faint gloww frm the Big Bang. It’s leftover heat frm the early universee, showing us what it looked like when it was young. This helps scientists understand how the universe expanded & cooled over time.

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