News tagged with stars

Planet 'reared' by four parent stars

Growing up as a planet with more than one parent star has its challenges. Though the planets in our solar system circle just one star—our sun—other more distant planets, called exoplanets, can be reared in families with ...

dateMar 04, 2015 in Astronomy
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What are extrasolar planets?

For countless generations, human beings have looked out at the night sky and wondered if they were alone in the universe. With the discovery of other planets in our solar system, the true extent of the Milky Way galaxy, and ...

dateMay 25, 2015 in Astronomy
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First exoplanet visible light spectrum

Astronomers using the HARPS planet-hunting machine at ESO's La Silla Observatory in Chile have made the first-ever direct detection of the spectrum of visible light reflected off an exoplanet. These observations also revealed ...

dateApr 22, 2015 in Astronomy
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An old-looking galaxy in a young universe

A team of astronomers, led by Darach Watson, from the University of Copenhagen used the Very Large Telescope's X-shooter instrument along with the Atacama Large Millimeter/submillimeter Array (ALMA) to observe one of the ...

dateMar 02, 2015 in Astronomy
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Telescopes give shape to furious black hole winds

NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) and ESA's (European Space Agency) XMM-Newton telescope are showing that fierce winds from a supermassive black hole blow outward in all directions—a phenomenon that ...

dateFeb 19, 2015 in Astronomy
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White dwarf may have shredded passing planet

The destruction of a planet may sound like the stuff of science fiction, but a team of astronomers has found evidence that this may have happened in an ancient cluster of stars at the edge of the Milky Way galaxy.

dateApr 17, 2015 in Astronomy
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