#brown-dwarf

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Science
fromwww.scientificamerican.com
1 week ago

Can We Image Alien Earths? This Newfound Object Could Show the Way

A newly imaged brown dwarf around HIP 71618 offers a nearby target to test the Roman Space Telescope's coronagraph and precursor starlight-suppression technology.
fromFuturism
2 months ago

Astronomers Startled to Spot Abundance of "Biosignature" Molecules in a Failed Star's Atmosphere

Astronomers were astonished to find an abundance of phosphine, a molecule produced by microbes on Earth, in the atmosphere of a brown dwarf, an unusual type of object that lives in the grey zone between a giant planet and a tiny star. As detailed in a new paper published in the journal Science, astronomers said they had found "undepleted phosphine," a molecule made up of three hydrogen atoms and one phosphorus atom, in the atmosphere of Wolf 1130C, a brown dwarf 54 light-years from Earth.
Science
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