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Baby boom-ers could be a new type of white dwarf supernova
White dwarf supernovas—more officially known as type Ia supernovas—are important to cosmologists because they all explode in very similar ways. That means they can be used to measure distances to...
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Death of a white dwarf, 10 billion years later
White dwarfs are the remnants of the cores of stars like our Sun. They have the mass of a star packed into the volume of Earth, but when they die, their light can be detected across the observable...
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SUPERNOVA!
Two images of the supernova detected early this morning in M82, the Cigar Galaxy. The bright circle near the image center is the supernova, which you can see more clearly in the negative-color version...
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A white dwarf murder mystery
[ This blog is dedicated to tracking my most recent publications. Subscribe to the feed to keep up with all the science stories I write! ] What killed the white dwarfs? (Aside from the giant explosion)...
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How standard are “standard candles”?
[ This blog is dedicated to tracking my most recent publications. Subscribe to the feed to keep up with all the science stories I write! ] Not-so-standard candles From Physics World: The story is...
View ArticleLearning about weird star corpses from the way they shake
[ This blog is dedicated to tracking my most recent publications. Subscribe to the feed to keep up with all the science stories I write! ] ‘Dwarfquakes’ Reveal the Future of Our Universe Dying stars...
View ArticleWeird discrepancy in cosmic measurements has cosmologists puzzled
[ This blog is dedicated to tracking my most recent publications. Subscribe to the feed to keep up with all the science stories I write! ] The growing crisis in cosmology For The Week: How rapidly is...
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