ScienceDaily: Stars News |
| Hubble sees the remains of a star gone supernova Posted: 06 May 2013 01:16 PM PDT A new image from the Hubble Space Telescope shows delicate wisps of gas that make up an object known as SNR B0519-69.0, or SNR 0519 for short. The thin, blood-red shells are actually the remnants from when an unstable progenitor star exploded violently as a supernova around 600 years ago. There are several types of supernovae, but for SNR 0519 the star that exploded is known to have been a white dwarf star -- a Sun-like star in the final stages of its life. |
| NASA's Spitzer puts planets in a petri dish Posted: 06 May 2013 01:10 PM PDT Our galaxy is teeming with a wild variety of planets. In addition to our solar system's eight near-and-dear planets, there are more than 800 so-called exoplanets known to circle stars beyond our sun. One of the first "species" of exoplanets to be discovered is the hot Jupiters, also known as roasters. These are gas giants like Jupiters, but they orbit closely to their stars, blistering under the heat. Thanks to NASA's Spitzer Space Telescope, researchers are beginning to dissect this exotic class of planets, revealing raging winds and other aspects of their turbulent nature. |
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