News tagged with american astronomical society

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Eight new planets found in 'Goldilocks' zone

Astronomers announced today that they have found eight new planets in the "Goldilocks" zone of their stars, orbiting at a distance where liquid water can exist on the planet's surface. This doubles the number ...

Jan 06, 2015
4.6 / 5 (65) 23

New instrument reveals recipe for other Earths

How do you make an Earth-like planet? The "test kitchen" of Earth has given us a detailed recipe, but it wasn't clear whether other planetary systems would follow the same formula. Now, astronomers have found ...

Jan 05, 2015
4.7 / 5 (33) 9

Super-Earths have long-lasting oceans

For life as we know it to develop on other planets, those planets would need liquid water, or oceans. Geologic evidence suggests that Earth's oceans have existed for nearly the entire history of our world. ...

Jan 05, 2015
4.9 / 5 (45) 4

Stars' spins reveal their ages

When you're a kid every birthday is cause for celebration, but as you get older they become a little less exciting. You might not want to admit just how old you are. And you might notice yourself slowing ...

Jan 05, 2015
4.9 / 5 (28) 4

'Neapolitan' exoplanets come in three flavors

(Phys.org) —The planets of our solar system come in two basic flavors, like vanilla and chocolate ice cream. We have small, rocky terrestrials like Earth and Mars, and large gas giants like Neptune and ...

Jun 02, 2014
4.8 / 5 (11) 0

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

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