This festive NASA Hubble Space Telescope image resembles a holiday wreath made of sparkling lights. The bright southern hemisphere star RS Puppis, at the center of the image, is swaddled in a gossamer cocoon of reflective ...
Astronomy
Dec 21, 2018
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Quick, what's the reddest star visible to the naked eye?
Astronomy
Jul 17, 2013
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Using the Indian Astronomical Observatory (IAO) and ESA's Gaia satellite, astronomers have explored a galactic globular cluster known as NGC 2419. Results of the study, published April 29 on the preprint server arXiv, shed ...
By analyzing the data from NASA's Transiting Exoplanet Survey Satellite (TESS), Turkish astronomers have detected 10 new pulsating variable stars, including five Delta Scuti variables. The finding is reported in a paper published ...
For some years now, an unorthodox idea has been gaining favor among astronomers. It contradicts old teachings and unsettles thoughtful observers, especially climatologists.
Space Exploration
Feb 5, 2010
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Polish astronomers have performed photometric observations of a short-period variable star known as NSVS 2983201. They have found that the object is a contact binary system with a mass ratio of about 0.36. The finding was ...
(PhysOrg.com) -- Many, perhaps even most stars, are members of binaries -- two stars that orbit each other. Symbiotic stars are a small subset of binaries with an attitude: they display characteristic, dramatic, episodic ...
Astronomy
Feb 22, 2010
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The interiors of stars are largely mysterious regions because they are so difficult to observe directly. Our lack of understanding about the physical processes there, like rotation and the mixing of hot gas, introduces considerable ...
Astronomy
Jan 13, 2020
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The SPHERE planet-hunting instrument on the European Southern Observatory's Very Large Telescope captured this image of a white dwarf feeding on its companion star, a type of Red Giant called a Mira variable. Most stars exist ...
Astronomy
Dec 14, 2018
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Astronomers have employed the Microvariability and Oscillations of Stars (MOST) space telescope to conduct a new investigation of the enigmatic variable star 21 Comae whose nature is still widely debated. Results of the new ...
