SCIENCE
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Starts With A Bang podcast #130 — the initial mass function of stars
Contracting gas clouds don’t just make a single star, but a spectrum, with all different masses. Early on, that spectrum…
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JWST proves that black holes really do come before galaxies
It’s the Universe’s ultimate chicken-and-egg question: what came first, the galaxy or the black hole? One Little Red Dot proves…
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Ask Ethan: Why does our Universe require CP-violation?
Two discrete symmetries, charge conjugation and parity, must be violated together for our Universe to exist. We haven’t found enough…
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Yes, scientists can be hostile to new ideas. So should you
Many people, now with LLM assistance, regularly claim to discover game-changing revolutions. Scientists don’t buy it. You shouldn’t either. Continue…
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Space wasn’t infinitely small when the hot Big Bang began
The original idea of the Big Bang was synonymous with a singularity: a point of zero volume. In this Universe,…
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Ask Ethan: What do surveys of physicists actually reveal?
At and beyond the current frontiers of knowledge, many physicists have strongly held opinions. Can surveys point the way to…
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Why “galactic archaeology” is not archaeology at all
Astronomers study our cosmic history through stellar and galactic archaeology. But we can’t conduct archaeology in space. At least, not……
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Ask Ethan: Is the Universe the same age everywhere?
Today, in the here-and-now, a full 13.8 billion years have elapsed since the start of the hot Big Bang. But…
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Cosmic beacon unveiled inside nearby active galaxy by JWST
Messier 77 is one of the largest nearby spiral galaxies, with an active, brilliant core. Here’s what JWST’s incomparable eyes…
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Starts With A Bang podcast #129 — Triton and the outer solar system
Triton is Neptune’s largest moon today, but it was once the undisputed king of the Kuiper belt. Here’s why the…
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