Betelgeuse's weird recent dimming was caused by starspots that temporarily covered at least half of the red supergiant's surface, a new study suggests.
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2020
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- 260 kids and teens infected with COVID-19 at Georg...
- COVID-19 linked to heart damage in healthy people,...
- First COVID-19 double-lung transplant patient goes...
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- Dozens of scientists and others took a DIY COVID-1...
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