News tagged with red giants
Brightness variations of sun-like stars: The mystery deepens
Dec 07, 2009 |
4.4 / 5 (14) |
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(PhysOrg.com) -- An extensive study made with ESO's Very Large Telescope deepens a long-standing mystery in the study of stars similar to the Sun. Unusual year-long variations in the brightness of about one ...
The Ring Nebula
Nov 02, 2009 |
4.3 / 5 (7) |
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The diversity of colours, shapes, and sizes of planetary nebulae make them fascinating objects. In this photo release Calar Alto presents a rather unique view combining both optical and near-infrared data ...
Guide to galaxy for Earth Hour's starry, starry night
Space & Earth / Space Exploration
Mar 18, 2009 |
4.9 / 5 (7) |
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(PhysOrg.com) -- When cities turn off their lights for Earth Hour their occupants will get more than a warm and fuzzy green feeling, they will also see stars hundreds of trillions kilometres away lighting up a moonless night ...
Hubble Resolves Puzzle about Loner Starburst Galaxy
Nov 20, 2008 |
4.5 / 5 (20) |
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(PhysOrg.com) -- Astronomers have long puzzled over why a small, nearby, isolated galaxy is pumping out new stars faster than any galaxy in our local neighborhood.
Largest collection of anomalous white dwarfs observed by Hubble
Apr 23, 2009 |
4.7 / 5 (6) |
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Twenty-four unusual stars, 18 of them newly discovered, have been observed in new Hubble telescope images. The stars are white dwarfs, a common type of dead star, but they are odd because they are made of ...
New project to probe Milky Way history in Sloan Digital Sky Survey III
Dec 15, 2008 |
4.8 / 5 (6) |
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A new project, the Apache Point Observatory Galactic Evolution Experiment, or APOGEE, will survey more than 100,000 Milky Way red giant stars -- bright, bloated stars in a late stage of their evolution. APOGEE ...
