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Red Supergiant Star Betelgeuse Was A Different Color Just 2,000 Years Ago

Today, it's on the brink of death: a huge, red ball of flame, glaring like a baleful, bloodshot eye before it winks out into a tiny pinprick of degenerate matter. ....

South Korea , Ralph Neuh , Sima Qian , Tycho Brahe , Friedrich Schiller University Jena , Han Dynasty ,

Betelgeuse appeared orange-yellow nearly 2,000 years ago

Researchers discovered that Betelgeuse, a red giant star, appeared orange-yellow to observers on Earth nearly 2,000 years ago. ....

Ralph Neuh , Markus Mugrauer , Sima Qian , University Of Jena , Orion Constellation , Red Giant , Nuclear Fusion ,

Red giant Betelgeuse was yellow some 2,000 years ago

Additional authors from antiquity like Ptolemy bring further indications that Betelgeuse at their time did not belong to the group of bright red stars like Antares ....

Ralph Neuh , Sima Qian , Tycho Brahe , Monthly Notices Of The Royal Astronomical Society , University Of Jena , Astrophysicists Of Friedrich Schiller University Jena , Friedrich Schiller University Jena , Monthly Notices , Royal Astronomical ,

Color Change Detected in Red Giant Betelgeuse

Brightness, size, and color alter as nuclear fusion in a star’s core advances. These qualities provide astronomers with crucial details about a star’s age and mass. Together with collaborators from the USA and Italy, astronomers at Friedrich Schiller University in Jena, Germany, have now successfully detected and dated such a color change in a brilliant star. ....

United States , Ralph Neuh , Markus Mugrauer , Sima Qian , Tycho Brahe , Skyla Baily , Friedrich Schiller University In Jena , Monthly Notices Of The Royal Astronomical Society , University Of Jena , Friedrich Schiller University , Image Credit , Royal Astronomical Society , Royal Astronomical ,

Red supergiant Betelgeuse was actually yellow 2,000 years ago

New research from historical sources indicates that the red supergiant star Betelgeuse had a yellowish hue around two millennia ago. ....

Ralph Neuh , Sima Qian , Tycho Brahe , Monthly Notices Of The Royal Astronomical Society , University Of Jena , Milky Way , Royal Astronomical ,