The cosmic microwave background (CMB) is the oldest thing in the universe that we can detect today; it is ancient light created nearly 13.8 billion years ago, just after the Big Bang, and represents the faint leftover radiation from the universe's birth that we are constantly moving through.
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What Is The Oldest Thing In The Universe? #space #cosmicexploration #science #universe #blackholeAjouté :
What if I told you the oldest thing in the universe is still surrounding you right now?
>> [music] >> It's not a planet, not a galaxy, and not even the oldest star.
Scientists [music] say the oldest thing we can detect is ancient light called the cosmic microwave background [music] born just after the universe itself exploded into existence nearly 13.8 billion years ago.
That means every second you're moving through the oldest visible ghost of the Big Bang itself. [music]
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