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The Conversation USA

The IceCube observatory detects neutrino and discovers a blazar as its source

  • Written by Doug Cowen, Professor of Physics and Professor of Astronomy & Astrophysics, Pennsylvania State University
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About four billion years ago, when the planet Earth was still in its infancy, the axis of a black hole about one billion times more massive than the sun happened to be pointing right to where our planet was going to be on September 22, 2017.

Blazar shoots neutrinos and gamma rays to Earth: Blazars are a type of active galactic nucleus with...

Read more: The IceCube observatory detects neutrino and discovers a blazar as its source

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