The elongated tail of the SU Aurigae protoplanetary disk was likely formed as a result of a flyby from a substellar object.
stars
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Starlike Brown Dwarf? Not Anymore
Because of a new, surprisingly smaller mass estimate for a much-studied, nearby brown dwarf, astronomers now regard the familiar object as merely planetlike.
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Exoplanet Found in Curious Triple-Star System
The newly discovered planet balances precariously in orbit within the star system, puzzling scientists.
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Aging Stars Make New Habitable Zones
Scientists searching for life in the universe now have a new target: the once-icy worlds orbiting red giants.
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New Step Toward Finding Earth 2.0
Researchers unveil a way to tease out the wobble of a star caused by unseen planets despite the confounding effects of star spots, which are the sunspots of distant stars.