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Why hasn’t JWST broken the cosmic distance record by more?
Why hasn’t JWST broken the cosmic distance record by more?
Despite many ultra-distant galaxy candidates found with JWST, we still haven’t seen anything from the Universe’s first 250 million years.
Ethan Siegel
Oct 2
Shortest-lived quantum particles exhibit quantum entanglement, too
Shortest-lived quantum particles exhibit quantum entanglement, too
LHC scientists just showed that spooky quantum entanglement applies to the highest-energy, shortest-lived particles of all: top quarks.
Ethan Siegel
Oct 1
JWST shows a new side of planet formation
JWST shows a new side of planet formation
Just 460 light-years away, the closest newborn protostars are forming in the Taurus molecular cloud. Here are JWST’s astonishing insights.
Ethan Siegel
Sep 30
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
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