NASA solves a 2,000-year-old supernova mystery hidden inside a massive cosmic bubble

The ‘guest star’ of 185 AD has been one of astronomy's most unresolved cases for over 1800 years. Ancient Chinese chroniclers ...
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First looks at a supernova show a wildly lopsided blast

Astronomers have recently made a groundbreaking discovery, capturing the earliest observations of a supernova’s initial explosion. This observation has revealed a lopsided, asymmetric blast, ...
Futurism

Extinction Event: Evidence of Supernova Blast Found in Fossils

Fossils are one of the major ways scientists can have windows to what happened in the past. The biology and chemistry of ancient Earth is locked up in these primitive time capsules, giving great ...

NASA spots hidden bubble in 2,000-year-old supernova—scientists say it’s “bouncing back”

A supernova witnessed nearly 2,000 years ago is back in focus as NASA’s powerful X-ray telescope uncovers a hidden cosmic ...
Labroots

Is a Supernova to Blame for the Devonian Extinction Event?

Over the roughly 4.5 billion years of Earth's existence, there have been several periods were biodiversity has been nearly wiped out - extinction events. There have been several proposals to explain ...
The Daily Galaxy on MSN

NASA X-ray mission sheds new light on 2,000-year-old cosmic blast, revealing a long-hidden structure

A new study from NASA reveals that a supernova observed nearly two millennia ago expanded inside a pre-formed cosmic cavity, ...
IFLScience

How Bright Can A Supernova Be?

Several months ago, a suspected supernova was discovered that had scientists scratching their heads. If confirmed as a supernova, ASASSN-15lh would be twice as luminous and 10 times brighter than the ...