Tag: blazars
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The Care and Feeding of Black Holes
[ This blog is dedicated to tracking my most recent publications. Subscribe to the feed to keep up with all the science stories I write! ] Part 2 of my 4-part series on black holes for Medium members is up; you can read part 1 here. If enough of you read, they may keep me […]
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No quantum foam seen in the cosmic beer glass
[ This blog is dedicated to tracking my most recent publications. Subscribe to the feed to keep up with all the science stories I write! ] Light from distant black holes doesn’t surf on waves of quantum foam Strongest check yet on quantum gravity effects in astronomy turns up nothing For Ars Technica: Quantum gravity […]
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Early stars stole gamma rays from blazars
We have a lot of reasons to be interested in the earliest stars that formed in our Universe. Particularly, these stars were the first to fuse hydrogen and helium into (nearly) all the heavier elements that exist today, including the carbon, oxygen, iron, calcium, and the like that make up life as we know it. […]