Related topics: galaxies · stars

Many small exoplanets found to be covered in gas

During its four-year mission, NASA's Kepler space telescope discovered thousands of "planetary candidates" in our Milky Way galaxy—the vast majority of which are almost certainly actual planets. But before scientists can ...

New discovery could be a Thorne-Zytkow object

(Phys.org) —Speaking at this year's American Astronomical Society meeting, Hubble Fellow, Emily Levesque reported that she and her colleagues at the University of Colorado have discovered a star that just might qualify ...

Stormy stars? Spitzer probes weather on brown dwarfs

(Phys.org) —Swirling, stormy clouds may be ever-present on cool celestial orbs called brown dwarfs. New observations from NASA's Spitzer Space Telescope suggest that most brown dwarfs are roiling with one or more planet-size ...

Undergraduates discover rare eclipsing double asteroid

Students in a University of Maryland undergraduate astronomy class have made a rare discovery that wowed professional astronomers: a previously unstudied asteroid is actually a pair of asteroids that orbit and regularly eclipse ...

Newfound planet is Earth-mass but gassy

An international team of astronomers has discovered the first Earth-mass planet that transits, or crosses in front of, its host star. KOI-314c is the lightest planet to have both its mass and physical size measured. Surprisingly, ...

Scientists find a practical test for string theory

(Phys.org) —Scientists at Towson University in Towson, Maryland, have identified a practical, yet overlooked, test of string theory based on the motions of planets, moons and asteroids, reminiscent of Galileo's famed test ...

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