News tagged with star system

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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 ...

dateJul 06, 2015 in Astronomy
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Gaia produces stellar density map of the Milky Way

This image, based on housekeeping data from ESA's Gaia satellite, is no ordinary depiction of the heavens. While the image portrays the outline of our Galaxy, the Milky Way, and of its neighbouring Magellanic ...

dateJul 06, 2015 in Astronomy
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What was here before the solar system?

The solar system is old. Like, dial-up-fax-machine-old. 4.6 billion years to be specific. The solar system has nothing on the universe. It's been around for 13.8 billion years, give or take a few hundred ...

dateMay 29, 2015 in Astronomy
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A conversation with astronomer Dimitri Mawet

Associate Professor of Astronomy Dimitri Mawet has joined Caltech from the Paranal Observatory in Chile, where he was a staff astronomer for the Very Large Telescope. After earning his PhD at the University ...

dateMay 18, 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 ...

dateApr 22, 2015 in Astronomy
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'Teapot' nova begins to wane

A star, or nova, has appeared in the constellation of Sagittarius and, even though it is now waning, it is still bright enough to be visible in the sky over Perth through binoculars or a telescope.

dateMar 27, 2015 in Astronomy
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New binocular nova discovered in Sagittarius

Looks like the Sagittarius Teapot's got a new whistle. On March 15, John Seach of Chatsworth Island, NSW, Australia discovered a probable nova in the heart of the constellation using a DSLR camera and fast ...

dateMar 17, 2015 in Astronomy
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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 ...

dateMar 04, 2015 in Astronomy
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A close call of 0.8 light years

A group of astronomers from the US, Europe, Chile and South Africa have determined that 70,000 years ago a recently discovered dim star is likely to have passed through the solar system's distant cloud of ...

dateFeb 17, 2015 in Astronomy
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