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Ask Ethan: Does space require dark energy in order to exist?
Ask Ethan: Does space require dark energy in order to exist?
It’s possible to remove all forms of matter, radiation, and curvature from space. When you do, dark energy still remains. Is this…
Ethan Siegel
Sep 27
Hidden variable alternative to quantum spookiness fails
Hidden variable alternative to quantum spookiness fails
Do we actually live in a deterministic Universe, despite quantum physics? An alternative, non-spooky interpretation has now been ruled out.
Ethan Siegel
Sep 26
Longest, strongest black hole jets of all-time discovered
Longest, strongest black hole jets of all-time discovered
With the discovery of Porphyrion, we’ve now seen black hole jets spanning 24 million light-years: the scale of the cosmic web.
Ethan Siegel
Sep 25
Why we’ll never shoot Earth’s garbage into the Sun
Why we’ll never shoot Earth’s garbage into the Sun
It would get rid of our hazardous, radioactive, and pollutive waste for good, but physics tells us it’s a losing strategy for elimination.
Ethan Siegel
Sep 24
What JWST found in the extreme outer Milky Way
What JWST found in the extreme outer Milky Way
Almost all of the stars, planets, and interesting physics happens in the inner portions of galaxies. Is that conventional wisdom all wrong?
Ethan Siegel
Sep 23
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