blazars
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A Massive Radioactive Jet From the Early Universe Has Been Spotted
When the universe was a fledgling billion years old, a galaxy spewed a ginormous, fast-moving jet of radiation and plasma into the cosmos. Nearly 13 billion years later, that jet is visible to humans in the form of a blazar. The jet was recently imaged and analysed by a team of Italian astronomers. Their findings, which…
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See The South Pole Message That Alerted Astronomers To The Cosmic-Ray-Spewing Blazar
Scientists just made a huge announcement: Telescopes around the world recorded a source of mysterious, ultra-high-energy cosmic rays, the highest-energy particles that hit the Earth. It all started with a text message.