Astronomy news

Protostar growth spurts

Astronomers using the Atacama Large Millimeter/submillimeter Array (ALMA) have discovered an adolescent protostar that is undergoing a rapid-fire succession of growth spurts. Evidence for this fitful youth is seen in a pair ...

dateNov 04, 2015 in Astronomy
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Disk gaps don't always signal planets

When astronomers study protoplanetary disks of gas and dust that surround young stars, they sometimes spot a dark gap like the Cassini division in Saturn's rings. It has been suggested that any gap must be caused by an unseen ...

dateNov 02, 2015 in Astronomy
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Image: Hubble captures DI Cha star system

Two stars shine through the center of a ring of cascading dust in this image taken by the NASA/ESA Hubble Space Telescope. The star system is named DI Cha, and while only two stars are apparent, it is actually a quadruple ...

dateNov 02, 2015 in Astronomy
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Finding new worlds with a play of light and shadow

Astronomers have used many different methods to discover planets beyond the solar system, but the most successful by far is transit photometry, which measures changes in a star's brightness caused by a mini-eclipse. When ...

dateOct 31, 2015 in Astronomy
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Euclid: Observing the unseen

(—In a notorious hunt for elusive dark matter, seeing the unseen is the key to scientific success. The latest addition to the fleet of probes searching for dark matter, European Space Agency's (ESA) Euclid spacecraft, ...

dateOct 30, 2015 in Astronomy report
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