News tagged with astronomer

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A rare crash at the Milky Way's core

(Phys.org) —University of Michigan astronomers could be the first to witness a rare collision expected to happen at the center of the galaxy by spring.

Jan 09, 2014
4.8 / 5 (26) 17 | with audio podcast

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 ...

Jan 08, 2014
4 / 5 (1) 1

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 ...

Jan 08, 2014 weblog
4.8 / 5 (77) 38 | with audio podcast

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 ...

Jan 07, 2014
4.7 / 5 (11) 0 | with audio podcast

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 ...

Jan 06, 2014
4.7 / 5 (30) 18 | with audio podcast

In search of time travelers

(Phys.org) —It started over a poker game. Astrophysicist Robert Nemiroff and his students were playing cards (for chips) last summer, chatting about Facebook. They wondered: If there were time travelers ...

Jan 06, 2014
2.5 / 5 (11) 4 | with audio podcast

The "magic hour" for Geminid meteors

As arctic air and record cold sweeps across the USA, amateur astronomers are looking at their calendars with a degree of trepidation. A date is circled: Dec. 14th. And below it says: "Wake up at 4 AM for the ...

Dec 13, 2013
5 / 5 (3) 0 | with audio podcast