News tagged with stars

Forming stars in the early universe

The first stars appeared about one hundred million years after the big bang, and ever since then stars and star formation processes have lit up the cosmos. When the universe was about three billion years old, star formation ...

dateNov 21, 2016 in Astronomy
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Scientists discover a nearby superearth

Ph.D. student Alejandro Suárez Mascareño, of the Instituto de Astrofísica de Canarias (IAC) and the University of La Laguna (ULL), and his thesis director, Rafael Rebolo and Jonay Isaí González Hernández, have discovered ...

dateNov 17, 2016 in Astronomy
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A hydrogen-rich, passive galaxy

Cold gas in the form of neutral hydrogen atoms provides the reservoir for star formation in galaxies from the distant to the nearby Universe. Understanding how it accretes onto galaxies is of crucial importance because fresh ...

dateNov 11, 2016 in Astronomy
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Space telescopes pinpoint elusive brown dwarf

In a first-of-its-kind collaboration, NASA's Spitzer and Swift space telescopes joined forces to observe a microlensing event, when a distant star brightens due to the gravitational field of at least one foreground cosmic ...

dateNov 10, 2016 in Astronomy
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IAU formally approves 227 star names

The creation of a specialised IAU Working Group, the Working Group on Star Names (WGSN), was approved by the IAU Executive Committee in May 2016 to formalise star names that have been used colloquially for centuries. WGSN ...

dateNov 29, 2016 in Astronomy
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Project to map the history of the Milky Way

Our galaxy, the Milky Way, contains at least 100 billion stars. Over the centuries, astronomers have scoured the skies, developing a thorough understanding of the lives of those stars, from their formation in vast nebulae ...

dateNov 28, 2016 in Astronomy
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Image: Hubble nets a subtle swarm

This Hubble image shows NGC 4789A, a dwarf irregular galaxy in the constellation of Coma Berenices. It certainly lives up to its name—the stars that call this galaxy home are smeared out across the sky in an apparently ...

dateNov 21, 2016 in Astronomy
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