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Ultraprecise Atomic Clock Network on the Hunt For Dark Matter

Space.com -

Researchers are putting a global network of the most precise timekeepers ever made to the task of hunting for dark matter, the invisible and largely intangible substance that researchers think makes up about five-sixths of all matter in the universe.

What Is Solar Mass?

Space.com -

How would you measure the masses of objects as big as stars, galaxies and black holes? With solar mass. And you can thank Sir Isaac Newton for that.

A Helium Tail Trails This Fluffy Alien Planet

Space.com -

As a Jupiter-size world swings around its small but active star, bombarded by radiation, the planet leaves behind a tail of escaping helium as wide as itself — and researchers have spotted this tail from the ground.

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