News tagged with extrasolar planets

Related topics:

Forget exomoons. Let’s talk exorings

In an article earlier this month, I discussed the potential for discovering moons orbiting extrasolar planets. I’d used an image of an exoplant system with rings, prompting one reader to ask if those wou ...

Nov 25, 2011
5 / 5 (7) 0

Hubble to target 'hot jupiters'

(PhysOrg.com) -- An international team of astronomers led by a former UA graduate student has set out on the largest program to date exploring the alien atmospheres of "Hot Jupiters" - massive planets in solar ...

Aug 22, 2011
5 / 5 (1) 2

What are hot Jupiters?

When astronomers first discovered other planets, they were completely unlike anything we've ever found in the Solar System. These first planets were known as "hot Jupiters", because they're giant planets ...

Feb 13, 2014
4.8 / 5 (8) 0

Brown Dwarfs Don't Hang Out With Stars

(PhysOrg.com) -- Brown dwarfs, objects that are less massive than stars but larger than planets, just got more elusive, based on a study of 233 nearby multiple-star systems by NASA's Hubble Space Telescope. ...

Jan 05, 2009
4.4 / 5 (5) 0

The Kepler Mission

(PhysOrg.com) -- Since the first planet around another star (an "extrasolar planet") was discovered by SAO astronomers and others in 1989, over 450 extrasolar planets have been found. Their study now comprises a whole new ...

Apr 26, 2010
5 / 5 (2) 1

Martian Weather

The Mars Global Surveyor (MGS) is a NASA mission that arrived at Mars in September, 1997, and for nine years circled the planet every two hours in a polar orbit (that is, traveling from the north pole to the ...

Mar 16, 2010
not rated yet 0

Plentiful and Potential Planets

Two planet-hunting telescopes - CoRoT and Kepler - are keeping astronomers hard at work cataloging far-distant planets that orbit other stars in our galaxy. The search for distant planets is essential for ...

Jun 23, 2010
5 / 5 (6) 0

UF astronomers pioneer new planet-observing technique

(PhysOrg.com) -- Using the world’s largest optical telescope, a team of University of Florida astronomers has pioneered a new method of observing planets outside our solar system. The method suggests that large Earth-based ...

Jun 24, 2010
5 / 5 (5) 0

Exomoons? Kepler‘s on the hunt

Recently, I posted an article on the feasibility of detecting moons around extrasolar planets. It was determined that exceptionally large moons (roughly Earth mass moons or more), may well be detectable wit ...

Jan 09, 2012
4.7 / 5 (3) 0