Tag: supernova

In many rivers, only a small amount of streamflow remains for nature after water is diverted for hydropower production. In light of climate change and biodiversity loss, this is having increasingly serious consequences. Researchers from WSL,...
Scientists have identified what could be the oldest rocks on Earth from a rock formation in Canada. The Nuvvuagittuq Greenstone Belt has long been known for its ancient rocks—plains of streaked gray stone on the eastern shore...

Did this supernova explode twice?

All supernovae are exploding stars. But the nature of a supernova explosion varies quite a bit. One type, named Type 1a supernovae, involves a...

Astronomers identify 20 ultraviolet-emitting supernova remnants in the Andromeda Galaxy

Using the AstroSat satellite, astronomers from the University of Calgary, Canada, have identified 20 supernova remnants (SNRs) in the Andromeda Galaxy, which exhibit diffuse...

Red Alert: Massive stars sound warning they are about to go supernova

Astronomers from Liverpool John Moores University and the University of Montpellier have devised an 'early warning' system to sound the alert when a massive...

Rocket launch to image supernova remnant

A Northwestern University astrophysics team is aiming for the stars—well, a dead star, that is. On Aug. 21, the NASA-funded team will launch its "Micro-X"...

The star that survived a supernova

A supernova is the catastrophic explosion of a star. Thermonuclear supernovae, in particular, signal the complete destruction of a white dwarf star, leaving nothing...

Do ancient coins record the supernova of 1054?

SN 1054 was one of the most spectacular astronomical events of all time. The supernova explosion eventually formed what is today known as the...

Extraterrestrial stone brings first supernova clues to Earth

New chemistry "forensics" indicate that the stone named Hypatia from the Egyptian desert could be the first tangible evidence found on Earth of a...

Strange ‘reverse shock wave’ supernova is exploding in the wrong direction

Part of the shock wave is shrinking rather than expanding. A powerful shock wave traveling through a cloud of gas left behind by the explosive...

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