News tagged with brown dwarfs

Related topics:

Scientist proposes new definition of a planet

Pluto hogs the spotlight in the continuing scientific debate over what is and what is not a planet, but a less conspicuous argument rages on about the planetary status of massive objects outside our solar system. The dispute ...

dateJan 23, 2018 in Astronomy
shares133 comments 1

Hubble finds substellar objects in the Orion Nebula

Using NASA's Hubble Space Telescope to peer deep into the vast stellar nursery called the Orion Nebula, astronomers searched for small, faint bodies. What they found was the largest population yet of brown dwarfs—objects ...

dateJan 11, 2018 in Astronomy
shares47 comments 0

Scientists improve brown dwarf weather forecasts

Dim objects called brown dwarfs, less massive than the sun but more massive than Jupiter, have powerful winds and clouds–specifically, hot patchy clouds made of iron droplets and silicate dust. Scientists recently realized ...

dateAug 18, 2017 in Astronomy
shares14 comments 0

Citizen science project discovers new brown dwarf

One night three months ago, Rosa Castro finished her dinner, opened her laptop, and uncovered a novel object that was neither planet nor star. Therapist by day and amateur astronomer by night, Castro joined the NASA-funded ...

dateJul 17, 2017 in Astronomy
shares44 comments 0

Y-type stars

Brown dwarf stars are failed stars. Their masses are so small, less than about eighty Jupiter-masses, that they lack the ability to heat up their interiors to the roughly ten million kelvin temperatures required for normal ...

dateJul 11, 2017 in Astronomy
shares54 comments 1

The seven most extreme planets ever discovered

Scientists recently discovered the hottest planet ever found – with a surface temperature greater than some stars. As the hunt for planets outside our own solar system continues, we have discovered many other worlds with ...

dateJun 12, 2017 in Astronomy
shares65 comments 1