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The mystery of the Milky Way’s most bizarre supernova
The mystery of the Milky Way’s most bizarre supernova
In the year 1181, a “guest star” was recorded in the constellation of Cassiopeia. Its modern supernova remnant is weirder than we imagined.
Ethan Siegel
Nov 4
Ask Ethan: What’s the deal with cosmic inflation and the Big Bang?
Ask Ethan: What’s the deal with cosmic inflation and the Big Bang?
Almost everyone asserts that the Big Bang was the beginning of everything, followed by inflation. Has everyone gotten the order wrong?
Ethan Siegel
Nov 1
Einstein: the lone genius is pure mythology
Einstein: the lone genius is pure mythology
Many mavericks look to Einstein as a unique figure, whose lone genius revolutionized the Universe. The big problem? It isn’t true.
Ethan Siegel
Oct 31
8 lessons on lifelong learning from an astrophysicist
8 lessons on lifelong learning from an astrophysicist
Beyond stars, galaxies, and gravity, studying the fundamental workings of nature reveals widely applicable lessons for learners everywhere.
Ethan Siegel
Oct 30
How has the James Webb Space Telescope changed cosmology?
How has the James Webb Space Telescope changed cosmology?
More than two years after JWST began science operations, our Universe now looks very different. Here are its biggest science contributions.
Ethan Siegel
Oct 29
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