Related topics: spacecraft

Why did Cosmic Noon galaxies emit so many cosmic rays?

Answers to some of cosmology's most pressing questions are obscured by simple dust. It concerns the Cosmic Noon, a period of time that began around 2 billion years after the Big Bang, when nearly all galaxies experienced ...

Astronomers spot the 'Eye of Sauron' in deep space

A stunning new image of a cosmic jet has helped astronomers unlock the mystery behind the unusually bright emission of high-energy gamma rays and neutrinos from a peculiar celestial object. The source is a blazar—a type ...

Orbiter pair expands view of Martian ionosphere

Like Earth, Mars is surrounded by an ionosphere—the part of its upper atmosphere where radiation from the sun knocks electrons off of atoms and molecules, creating charged particles. The Martian ionosphere is complex and ...

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