Sentences with phrase «planets around single stars»
«Finding circumbinary planets is much harder than finding planets around single stars,» said SDSU astronomer William Welsh, one of the paper's coauthors, in a press release announcing the discovery.
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At first astronomers thought they might have detected a planet around a single star somewhere in our galaxy.
Not exact matches
The lead author of the new study, Guillem Anglada [1], from the Instituto de Astrofísica de Andalucía (CSIC), Granada, Spain, explains the significance of this find: «The dust around Proxima is important because, following the discovery of the terrestrial planet Proxima b, it's the first indication of the presence of an elaborate planetary system, and not just a single planet, around the star closest to our Sun.»
«The number of potentially habitable planets in our galaxy is much greater if we can expect to find several of them around each low - mass star — instead of looking at ten stars to look for a single potentially habitable planet, we now know we can look at just one star and find several of them,» adds co-author Rory Barnes (University of Washington, USA).
During the relatively brief, combined giant phases of the two stars at present, however, a planet could orbit the Aab pair far enough out for the two stars to act as a single gravitational source and near enough for it to receive enough energy to sustain life, possibly around 12.5 AUs out from the binary.
Since a star and its planets were never part of a single swirling gas and dust cloud spinning around the same axis, there is no reason for hot Jupiters to have their spin axes aligned with the star's spin axis, or for all their orbits to be prograde.
Only 5 percent of the universe is believed to be made of normal matter, and that makes up every single galaxy, planet and star we see around us.
On March 29, 2007, astronomers using NASA's infrared Spitzer Space Telescope announced their finding that planetary systems — dusty disks of asteroids, comets, and possibly planets — may be at least as abundant in binary star systems as they are around single stars, like Sol.