“Does every single star harbor planets and, if yes, how many?” wonders planet hunter Michel Mayor. “We may not yet know the answer but we are making huge progress towards it.” Mayor and his team of European astronomers have found a star which is orbited by at least three planets. Using the High Accuracy Radial [...]
Archive for the ‘Egzoplanetos’ Category
Three “Super-Earths” Found Orbiting One Star (UT)
Posted in Egzoplanetos, tagged egzoplaneta, eso, exoplanet, harps, super-earth on 2008/06/21 | Leave a Comment »
NASA dreams up planets (UT)
Posted in Egzoplanetos, Orbitiniai on 2007/09/26 | Leave a Comment »
Science fiction writers have been imagining other worlds for years, and now they’re going to get a little scientific help, thanks to NASA. The agency recently modeled a range of roughly Earth-sized planets, from the familiar to the exotic. Instead of thinking just about planets with Earthlike characteristics, they imagined every possible kind of planet [...]
Strange planet-mass object found (AM)
Posted in Egzoplanetos, Neutroninės/pulsarai on 2007/09/16 | Leave a Comment »
Using NASA’s Swift and Rossi X-ray Timing Explorer (RXTE) satellites, astronomers have discovered one of the most bizarre planet-mass objects ever found.
The object’s minimum mass is only about 7 times the mass of Jupiter. But instead of orbiting a normal star, this low-mass body orbits a rapidly spinning pulsar. It orbits the pulsar every 54.7 [...]