The rise and fall of galaxy formation

Pasadena, CA—An international team of astronomers, including Carnegie’s Eric Persson, has charted the rise and fall of galaxies over 90 percent of cosmic history.

Surprise: Small Elliptical Galaxy Actually a Giant Disk

Pasadena, CA—Astronomers have believed since the 1960s that a galaxy dubbed UGC 1382 was a relatively boring, small elliptical galaxy. Ellipticals are the most common type of galaxy and lack the spiral structure of disks like the Milky Way we call home.

Tiny, ancient galaxy preserves record of catastrophic event

Pasadena, CA—The lightest few elements in the periodic table formed minutes after the Big Bang.  Heavier chemical elements are created by stars, either from nuclear fusion in their interiors or in catastrophic explosions.  However, scientists have disagre

Suspected supernova is 570 billion times as bright as our sun

"Supernovae shape the universe we live in and there are still many unanswered questions about these explosions, even for the common ones," Ben Shappee tells The Washington Post about the most-luminous supernova ever observed.

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