News tagged with dusty disks

The death of a planet nursery?

The dusty disk surrounding the star TW Hydrae exhibits circular features that may signal the formation of protoplanets. LMU astrophysicist Barbara Ercolano argues, however, that the innermost actually points to the impending ...

dateSep 19, 2016 in Astronomy
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ALMA reveals workings of nearby planetary system

A new observatory still under construction has given astronomers a major breakthrough in understanding a nearby planetary system that can provide valuable clues about how such systems form and evolve. The scientists used ...

dateApr 12, 2012 in Astronomy
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Want to make planets? Better hurry

Currently, astronomers have two competing models for planetary formation. In one, the planets form in a single, monolithic collapse. In the second, the core forms first and then slowly accretes gas and dust. However, in both ...

dateMay 24, 2011 in Astronomy
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