News tagged with outer planets

Spitzer detects comet storm in nearby solar system

(PhysOrg.com) -- NASA's Spitzer Space Telescope has detected signs of icy bodies raining down in an alien solar system. The downpour resembles our own solar system several billion years ago during a period ...

Oct 20, 2011
4.6 / 5 (9) 12 | with audio podcast

Giant planet ejected from the solar system

(PhysOrg.com) -- Just as an expert chess player sacrifices a piece to protect the queen, the solar system may have given up a giant planet and spared the Earth, according to an article recently published in ...

Nov 10, 2011
4.2 / 5 (21) 34 | with audio podcast

The origins of local planetary orbits

A plutino is an asteroid-sized body that orbits the Sun in a 2:3 resonance with Neptune. They are named after Pluto, which also orbits the Sun twice for every three orbits of Neptune. It is thought that Pluto ...

Oct 01, 2014
4.6 / 5 (7) 7

The water reservoir in a young planetary system

(PhysOrg.com) -- Astronomers once thought that the process of star formation was more-or-less controlled by the simple coalescence of material by gravity, leading eventually to a new star. But they have come ...

Nov 15, 2011
4.4 / 5 (5) 1 | with audio podcast

Water Planets

Of the roughly 420 extra-solar planets now known, about a dozen are in the newly named category of "super-earths," planets whose masses are in between of two and about fifteen earth-masses.

Jan 22, 2010
4.6 / 5 (18) 4 | with audio podcast

The Rings of Pluto?

Like other bodies in the outer Solar System, Pluto may have have rings orbiting it. Finding these rings could be important for the safety of NASA's New Horizons mission - currently en route to the tiny world.

Jan 25, 2012
3.5 / 5 (4) 0

New NASA rocket faces delays

The debut launch of NASA's next big rocket - now slated for 2017 - likely will be delayed a year or two because the agency simply does not have the money to finish the rocket and its accompanying crew capsule on time, a top ...

Sep 11, 2013
5 / 5 (3) 1