2012年11月19日星期一

'Super-Jupiter' Discovery Dwarfs Solar System's Largest Planet


In a rare direct photo of a world beyond Earth,Good overall performance on the Sand making machine manufacturing collection to generate high-quality machine-made sand could be the cornerstone on the completed product. astronomers have spotted a planet 13 times more massive than Jupiter, the largest planet in our own solar system.The planet orbits a star called Kappa Andromedae that is 2.knife manufacturer5 times the mass of the sun and is located 170 light-years away from Earth. As a gas giant larger than Jupiter, it's classified as a "super-Jupiter."The object is an interesting test case for theories of planet formation, scientists say. Based on observations of this system, the super Jupiter appears to have formed in the same way ordinary, lower-mass exoplanets do, by coalescing from a "protoplanetary disk" of material orbiting a nascent star. That's because its orbit, somewhat wider than the path Neptune takes around our sun,For one character, there are loads of morph suits that are sold online or at a nearby boutique store. As for convenience, online store offers variety of costumes and styles all it takes is a click of a button to browse through the store and that is it. is at a comparable distance to planetary orbits in the solar system. Additionally,aluminum beam its star, kappa Andromedae, is relatively young, at about 30 million years old (for comparison,non-stick knife the sun is roughly 5 billion years old). These clues point toward a formation story typical of smaller planets.
Previously, some scientists had doubted that such large stars could give birth to planets in protoplanetary disks. The new finding indicates that this star probably did just that.The new photo was snapped by Japan's Subaru 8-meter telescope on the summit of Mauna Kea in Hawaii. Alien planets are extremely difficult to image directly because their stars are always so much brighter, and outshine any planets.To capture this picture, astronomers looked in infrared light, and used a technique to hide the glare from the star in order to reveal the relatively faint dot of light from the planet. More than 800 planets have been discovered beyond the solar system, but only a handful so far have been imaged directly.
The Allens also installed Solatube lighting in spots that do not have a lot of natural light coming in, which brightens these areas immensely."The only [overhead] light we have in our bathroom is the solar light, and we get people trying to shut it off because they think it's [an electric] light," she said.In her book, Allen also presents ideas to help homeowners renovate existing homes to capture passive solar gain."This was the first house we built, so I wanted to share the experience. And then the other side of it is that every single thing that I researched on passive solar homes or net-zero homes or all these fancy names of these new energy-efficient homes, they cost a mint."I thought, 'We're on a budget and there are probably more people out there who can relate to being on a budget and wanting an energy-efficient home,' " said Allen, who will soon head into her first winter in her passive solar home, which she anticipates will require less than a cord of wood for the Morse stove.

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