Astronaughty

The observable universe is about 93 billion light-years across.

✓ TRUE FACT
Because space has expanded while light traveled, the observable universe’s diameter is about ~93 billion light-years, even though the universe is ~13.8 billion years old. “Observable” means limited by the speed of light and cosmic expansion.

🤯 "The observable universe is about 93 billion light-years across. And that’s just what we can see."

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