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Your guide to 2024’s Perseid meteor shower
Your guide to 2024’s Perseid meteor shower
Peaking on the night of August 11/12, up to 100 bright meteors per hour will be visible. Here’s how to make the most of it.
Ethan Siegel
Aug 8
7 changes destroying the Moon would have on planet Earth
7 changes destroying the Moon would have on planet Earth
Earth, the only rocky planet with a large, massive satellite, is greatly affected by the Moon. Destroying it would cause 7 major changes.
Ethan Siegel
Aug 7
Modern astrophysics answers Isaac Newton’s oldest question
Modern astrophysics answers Isaac Newton’s oldest question
Straddling the bounds of science and religion, Newton wondered who set the planets in motion. Astrophysics reveals the answer.
Ethan Siegel
Aug 6
Astronomers solve longstanding galaxy cluster collision puzzle
Astronomers solve longstanding galaxy cluster collision puzzle
How do normal matter and dark matter separate by so much when galaxy clusters collide? Astronomers find the surprising, unexpected answer.
Ethan Siegel
Aug 5
Ask Ethan: Did black holes form directly from the Big Bang?
Ask Ethan: Did black holes form directly from the Big Bang?
Even in the very early Universe, there were heavy, supermassive black holes at the centers of galaxies. How did they get so big so fast?
Ethan Siegel
Aug 2
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