Astrophysical Journal

Team redefines cosmic velocity web

The cosmic web—the distribution of matter on the largest scales in the universe—has usually been defined through the distribution of galaxies. Now, a new study by a team of astronomers from France, Israel and Hawaii demonstrates ...

dateAug 15, 2017 in Astronomy
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TRAPPIST-1 is older than our solar system

If we want to know more about whether life could survive on a planet outside our solar system, it's important to know the age of its star. Young stars have frequent releases of high-energy radiation called flares that can ...

dateAug 14, 2017 in Astronomy
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