Supernova

Supernova leftovers preserve evidence of a messy blowup that wrecked two stars

by Alan Boyle on January 10, 2019January 10, 2019 at 4:29 pmComment

In what sounds like a cosmic episode of “CSI,” sleuthing astronomers have figured out what touched off a stellar explosion 545 million light-years away, based on evidence left behind at… Read More

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How number crunchers could help crack the cosmological mystery of dark energy

by Alan Boyle on May 15, 2018May 15, 2018 at 9:16 pm 2 Comments

Big data just might give astronomers a better grip on the answer to one of the biggest questions in physics: Exactly what’s behind the mysterious acceleration in the expansion rate… Read More

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SkyMapper Sighting signs up citizen scientists to hunt for supernovae

by Chelsey Ballarte on May 16, 2017May 16, 2017 at 3:09 pmComment

Calling all citizen scientists: The Australian National University wants you to join the search for supernovae. Brad Tucker from the ANU Research School of Astronomy and Astrophysics says it’s not… Read More

Scientists say supernovae spread fallout when human ancestors walked the earth

by Alan Boyle on April 6, 2016April 6, 2016 at 6:44 pmComment

Researchers say they’ve found evidence of supernova explosions that spewed radioactive fallout over Earth during the age when humanity’s ancestors were evolving into upright-walking, big-brained creatures. One of two studies published in the… Read More

It’s a first: Hubble scientists successfully predict supernova’s ‘instant replay’

by Alan Boyle on December 16, 2015December 17, 2015 at 11:15 amComment

Astronomers traced one of the weirder twists in relativity to determine when they’d see an “instant replay” of a distant supernova, and now the Hubble Space Telescope has shown that their prediction was… Read More

Supernova leftovers preserve evidence of a messy blowup that wrecked two stars

How number crunchers could help crack the cosmological mystery of dark energy

SkyMapper Sighting signs up citizen scientists to hunt for supernovae

Scientists say supernovae spread fallout when human ancestors walked the earth

It’s a first: Hubble scientists successfully predict supernova’s ‘instant replay’

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