In the fading afterglow of a supernova explosion, astronomers using Hubble have photographed the first image of a surviving companion to a supernova. This is the most compelling evidence that some supernovas originate in double-star systems. The companion to supernova 2001ig’s progenitor star was no innocent bystander to the explosion—it siphoned off almost all of the hydrogen from the doomed star’s stellar envelope. SN 2001ig is categorized as a Type IIb stripped-envelope supernova, which is a relatively rare type of supernova in which most, but not all, of the hydrogen is gone prior to the explosion. Perhaps as many as half of all stripped-envelope supernovas have companions—the other half lose their outer envelopes via stellar winds.
For the full story, head to nasa.gov/hubble
Credit: NASA, ESA, S. Ryder (Australian Astronomical Observatory), and O. Fox (STScI)
“Tell Me You Love Me” müzik videosu YouTube'da 100M görüntülenmeye ulaştı! Bu, Demi'nin 100 Milyon izlenime ulaşan 15. müzik videosu.
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This pregnancy is flying by but I also can't believe I still have 7 weeks to go! Hopefully a little less. 🤞🏻Today at target was the first time someone tells me "oh wow, any days now, eh" 🙈😅🐳 #growingbabyveggie