News tagged with spitzer space telescope

The dwarf planet Orcus

Since the early 2000s, more and more objects have been discovered in the outer solar system that resemble planets. However, until they are officially classified, the terms Kuiper Belt Object (KBO) and Trans-Neptunian Object ...

dateAug 31, 2015 in Space Exploration
shares42 comments 6

Saturn's rings in a supercomputer

Why do some planets, like Saturn or Jupiter, have rings, while others, like Earth or Mars, do not? It turns out that "size does not matter"—gas giants like Saturn are not the only bodies that can possess rings; even tiny ...

dateAug 07, 2015 in Space Exploration
shares20 comments 0

NASA image: Stellar sparklers that last

While fireworks only last a short time here on Earth, a bundle of cosmic sparklers in a nearby cluster of stars will be going off for a very long time. NGC 1333 is a star cluster populated with many young stars that are less ...

dateJul 03, 2015 in Astronomy
shares55 comments 0

Can planets be rejuvenated around dead stars?

For a planet, this would be like a day at the spa. After years of growing old, a massive planet could, in theory, brighten up with a radiant, youthful glow. Rejuvenated planets, as they are nicknamed, are only hypothetical. ...

dateJun 26, 2015 in Astronomy
shares1221 comments 0

Helium-shrouded planets may be common in our galaxy

They wouldn't float like balloons or give you the chance to talk in high, squeaky voices, but planets with helium skies may constitute an exotic planetary class in our Milky Way galaxy. Researchers using data from NASA's ...

dateJun 11, 2015 in Astronomy
shares1098 comments 0

Distance measurement of a microlensing event

The distance to celestial objects is key to calculating their intrinsic properties like mass and luminosity. Distance, unfortunately, is also one of the most difficult parameters to measure. The most direct method is called ...

dateApr 06, 2015 in Astronomy
shares67 comments 0