What If The Earth Had Two Moons?

What if our Moon had a twin? Seeing not just one, but two of these satellites in the night sky might be spectacular.  Let’s assume our second moon would be around 1,000 km (620 miles) wide and about one-thirtieth the mass of our current Moon. It would be about the same distance from Earth, too. Just like the sister satellite our Moon had 4.5 billion years ago.

Would we see this double-moon from Earth? Absolutely! The second moon would just appear about three times smaller. Still, it would be a spectacular view.

Transcript and sources: https://insh.world/science/what-if-th...

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What If asks some of the most provocative hypothetical questions in science — and then tries to answer them with the help of established scientific theory and the latest research.

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