Tag: supernova

Over 20 years ago, then Indonesian president Megawati Soekarnoputri banned the export of sea sand from her archipelago nation. The ban was in response to the widespread environmental and economic damage it was causing. Unchecked sea sand...
Chirality refers to objects that cannot be superimposed onto their mirror images through any combination of rotations or translations, much like the distinct left and right hands of a human. In chiral crystals, the spatial arrangement...

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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