NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) space telescope is shedding light on brown

NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) space telescope is shedding light on brown dwarfs, celestial objects that blur the line between stars and exoplanets. New findings published in The Astrophysical Journal show that these dark and cloudy worlds have chemically rich atmospheres not unlike the giant planets in our own solar system. First discovered in the 1990s, brown dwarfs form from collapsing clouds of gas, like stars do, but they aren’t hefty enough to sustain hydrogen fusion in their cores. These dimly glowing balls of warm gas also share characteristics with Jupiter and Saturn.

NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) space telescope is shedding light on brown

NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) space telescope is shedding light on brown

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NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) space telescope is shedding light on brown dwarfs, celestial objects that blur the line be...

NASA's SPHEREx (Spectro-Photometer for the History of the universe, Epoch of Reionization, and ices Explorer) space telescope is shedding light on brown dwarfs, celestial objects that blur the line be...

NASA's SPHEREx (Spectro-Photometer for the History of the universe, Epoch of Reionization, and ices Explorer) space telescope is shedding light on brown dwarfs, celestial objects that blur the line be...

NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) space telescope is shedding light on brown

NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) space telescope is shedding light on brown

NASA's SPHEREx (Spectro-Photometer for the History of the universe, Epoch of Reionization, and ices Explorer) space telescope is shedding light on brown dwarfs, celestial objects that blur the line between stars and exoplanets.

NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) space telescope is shedding light on brown

NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) space telescope is shedding light on brown dwarfs, celestial objects that blur the line between stars and exoplanets. New findings published in The Astrophysical Journal show that these dark and cloudy worlds have chemically rich atmospheres not unlike the giant planets in our own solar system. First discovered in the 1990s, brown dwarfs form from collapsing clouds of gas, like stars do, but they aren’t hefty enough to sustain hydrogen fusion in their cores. These dimly glowing balls of warm gas also share characteristics with Jupiter and Saturn. In contrast to most planets, however, brown dwarfs drift in darkness, ungoverned by a host star and heated entirely from within. “They’re kind of goth,” said Zafar Rustamkulov, lead author of the new study and a scientist at IPAC, Caltech’s science and data center in Pasadena, California. “Unlike exoplanets, free-floating brown dwarfs are completely independent celestial objects that will fade into eternity alone. We’re still learning how complex they are.” Only a few dozen of these “dark wanderers” have been studied in detail with space-based telescopes. Astronomers want to observe more of them in the wild because...

NASA’s SPHEREx (Spectro-Photometer for the History of the Universe, Epoch of Reionization, and Ices Explorer) space telescope is shedding light on brown dwarfs, celestial objects that blur the line between stars and exoplanets. New findings published in The Astrophysical Journal show that these dark and cloudy worlds have chemically rich atmospheres not unlike the giant […]