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Three-body solution: These massive blue stars may not be duos, but threesomes instead

Be stars are weird. They are rapidly rotating stars about 4 to 18 times larger than the sun, but a pleasing blue color surrounded by discs of gas, not unlike the rings of Saturn. They spin so fast that they approach “critical velocity” or the point where they would otherwise blast apart due to centrifugal force overpowering the star’s gravity....

Originally posted on salon.com

New James Webb data offers potential explanation for “impossible” galaxies at cosmic dawn

Astronomers who were perplexed by the James Webb Space Telescope’s (JWST) images of the universe’s earliest galaxies can breathe a little more easily: Scientists have just explained away certain features of those galaxies that had previously been regarded as impossible.

The confusion began last year after the JWST discovered the universe’s earliest galaxies seemed to be too massive to have formed immediately after the Big Bang....

Originally posted on salon.com

The Webb telescope may have discovered six galaxies that shouldn’t exist

The universe is full of mysteries, but its age isn’t one of them. That’s because the universe left behind a huge number of clues as to its age — including the observed age of the oldest stars; the rate of expansion of the universe; and the background heat of the universe, which hints at how long it’s been since it cooled off from the Big Bang....

Originally posted on salon.com