SCIENCE

Ask Ethan: How does Hawking radiation really work? | by Ethan Siegel | Starts With A Bang! | Feb, 2024

In the far future, there will be no more matter around black holes, but instead their emitted energy will be…

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What was it like when planet Earth first formed? | by Ethan Siegel | Starts With A Bang! | Feb, 2024

When two large bodies collide, as they very likely did between proto-Earth and a hypothesized smaller but still massive world…

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Starts With a Bang podcast #102 — The missing exoplanets | by Ethan Siegel | Starts With A Bang! | Feb, 2024

That’s what we’re exploring on this episode of the Starts With a Bang podcast, featuring Ph.D. candidate Dakotah Tyler as…

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What was it like when the Sun was born? | by Ethan Siegel | Starts With A Bang! | Feb, 2024

This two-toned image shows an illustration of the protoplanetary disk around the young star FU Orionis, which was imaged multiple…

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Galaxy clusters are graveyards for Milky Way-like galaxies | by Ethan Siegel | Starts With A Bang! | Feb, 2024

This view of the Perseus cluster of galaxies shows over 1000 galaxies all clustered together some 240 million light-years away,…

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Ask Ethan: Why is there a grand canyon on Mars? | by Ethan Siegel | Starts With A Bang! | Feb, 2024

Imaged by the THEMIS camera on the Mars Odyssey mission, this photograph shows Valles Marineris, or Mariner Valley, discovered in…

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Giant ring? Giant arc? These “structures” may not even be real | by Ethan Siegel | Starts With A Bang! | Jan, 2024

This map comes from a simulation of a portion of the cosmic web, with shock waves (white), magnetic fields (cyan),…

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Ask Ethan: What explains the Fibonacci sequence? | by Ethan Siegel | Starts With A Bang! | Jan, 2024

The normal, multi-armed spiral galaxy IC 342, as imaged by ESA’s Euclid, with a Fibonacci spiral overlaid atop it. As…

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Stars alone can’t explain black holes, JWST data reveals | by Ethan Siegel | Starts With A Bang! | Jan, 2024

The overdense regions that the Universe was born with grow and grow over time, but are limited in their growth…

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Ask Ethan: Why doesn’t radiation dominate the Universe? | by Ethan Siegel | Starts With A Bang! | Jan, 2024

At the start of the hot Big Bang, the Universe was rapidly expanding and filled with high-energy, very densely packed,…

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