... planet that is closely orbiting a red-giant star, HD 102272, which is much older than our own ... planet. Because of the Doppler effect, the light from the star becomes bluer as it moves toward the Earth ...
... world passes directly in front of the Sun-like star it orbits, revealing for the first time that it is about the same ... 80606b) would pass in front of its parent star (HD 80606) in a so-called transit ...
... shapes determined by the details of its collision with the gas cloud. In a face-on encounter, such as that of the star HD 61005 in the constellation Puppis, the disk's edge bends gently away from the ...
Stars are sometimes also very asymmetrical inside;
Pictures of the star HD 12545; (XX Triangulum) made by K. G. Strassmeier (University of Vienna) show the same phenomenon which ...
... as it filters a fraction of the star’s light during a transit. Such observations of the star HD 189733 have recently revealed the presence of methane and water vapour in the gaseous atmosphere of a ...
... super-Earths around a rather normal star, which is slightly less massive than our Sun, and is located 42 ... made very precise measurements of the velocity of the star HD 40307 over the last five years, ...
... discs around young Sun-like stars in unsurpassed detail, clearly revealing the motion ... distance between the Earth and the Sun, while for the second star, HD 135344B, a possible planet could be orbiting ...
... astronomers, led by Florentin Millour, has studied the star HD 87643 in great detail, using several ... embedded in a compact dust shell. The two stars probably orbit each other in a period between 20 ...
... off X-rays near the bright star HD 49798. Now, thanks to XMM ... allowed the astronomers to use the most robust method for 'weighing' a star, one that uses the gravitational physics devised by Isaac Newton ...
... telescopes can capture light from far more distant stars at much finer resolutions — now including the ... Hawaii to observe the planet eclipse its host star, HD 80606.
Astronomers noticed the eclipse ...
