This Supernova Lit Up the Sky in 1181. Here's What it Looks Like Now
It took them a long time, but scientists eventually found the remnant of SN 1181, observed by ancient astronomers.
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It took them a long time, but scientists eventually found the remnant of SN 1181, observed by ancient astronomers.
The star T CrB flares up every 80 years. A document from 1217 could help confirm its regularity.
The star T CrB flares up every 80 years. A document from 1217 could help confirm its regularity.
A rare type of white dwarf star has been erupting in the most extreme superflares of its kind ever seen, researchers find in a new study.
Close A statue of a Kansa Indian atop the Kansas Statehouse stands in the foreground as Saturn, top, and Jupiter, below, are seen Saturday in Topeka, Kan. The two planets are drawing closer to each other in the sky as they head towards a âgreat conjunctionâ tonight, where the two giant planets will appear a tenth of a degree apart. Associated Press Rita LeBleu