News tagged with stars

Fossil star clusters reveal their age

Using a new age-dating method, an international team of astronomers has determined that ancient star clusters formed in two distinct epochs – the first 12.5 billion years ago and the second 11.5 billion years ago.

dateJul 27, 2015 in Astronomy
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Star formation near supermassive black holes

Most if not all galaxies are thought to host a supermassive black hole in their nuclei, a finding that is both one the most important and amazing in modern astronomy. A supermassive black hole grows by accreting mass, and ...

dateJun 22, 2015 in Astronomy
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Neutral hydrogen gas in galaxy clusters

Most galaxies are members of a cluster, a grouping of several to thousands of galaxies. Our Milky Way, for example, is a member of the "Local Group," a set of about fifty galaxies whose other large member is the Andromeda ...

dateSep 09, 2015 in Astronomy
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Astronomers see pebbles poised to make planets

A team of astronomers led from St Andrews and Manchester universities today (6 July) announced the discovery of a ring of rocks circling a very young star. This is the first time these 'pebbles', thought to be a crucial link ...

dateJul 06, 2015 in Astronomy
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Hubble view of a nitrogen-rich nebula

This NASA/ESA Hubble Space Telescope image shows a planetary nebula named NGC 6153, located about 4,000 light-years away in the southern constellation of Scorpius (The Scorpion).

dateJun 29, 2015 in Astronomy
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