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The epic race inside the Pillars of Creation is almost over
The epic race inside the Pillars of Creation is almost over
The last infant stars are finishing their formation inside these pillars of gas. The evaporation of those columns is almost complete.
Ethan Siegel
Jul 8
Ask Ethan: Why is it darker during Winter than Summer?
Ask Ethan: Why is it darker during Winter than Summer?
Sure, there’s less daylight during Winter than Summer, as your hemisphere is tilted away from the Sun. But darkness goes deeper than that.
Ethan Siegel
Jul 5
The only two “arrows of time” we have don’t match
The only two “arrows of time” we have don’t match
Our thermodynamic arrow of time explains why the entropy of any isolated system always increases. But it can’t explain what we perceive.
Ethan Siegel
Jul 4
The mystery of the Moon’s two faces could soon be solved
The mystery of the Moon’s two faces could soon be solved
The near and far sides of the Moon are so different from each other, and no one is sure why. New lunar samples could confirm a wild theory.
Ethan Siegel
Jul 3
Why JWST doesn’t have the same limits as Hubble
Why JWST doesn’t have the same limits as Hubble
All telescopes are fundamentally limited in what they can see. JWST reveals more distant galaxies than Hubble, but still can’t see them…
Ethan Siegel
Jul 2
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