Planetary nebulae form when red giant stars expel their outermost layers as they run out of helium fuel—becoming hot, dense white dwarf stars that are roughly the size of Earth. The material that was shed, enriched in carbon, ...
Astronomy
Jan 12, 2023
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We are entering a golden era for "stellar physics" – a term coined to describe research about the formation, evolution, interior and the atmospheres of stars. Thanks to a partnership forged among stellar astrophysics, ...
Astronomy
Apr 13, 2011
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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 helium rather than ...
Astronomy
Apr 23, 2009
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(PhysOrg.com) -- An international cadre of scientists that used data from NASA's Kepler spacecraft announced Tuesday the detection of stellar oscillations, or "starquakes," that yield new insights about the size, age and ...
Astronomy
Oct 26, 2010
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The National Zoo in Washington put out an all-points bulletin via Twitter on Monday after one of its raccoon-like red pandas went missing.
Plants & Animals
Jun 24, 2013
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(PhysOrg.com) -- This video shows what future astronauts would see from their cockpit: Mars turning below as they sweep around the Red Planet. Last month, ESA's Mars Express snapped images every minute to create a unique ...
Space Exploration
Jun 2, 2010
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Astronomers have conducted observations of a symbiotic star in the Large Magellanic Cloud (LMC), known as LMC S154, which provide new insights about the nature of this object. Results of these observations, presented in a ...
Betelgeuse is the well known red giant star in the corner of Orion the hunter. The name translated in some languages means "armpit of the giant," which, I think of all the star names, is simply the best! Betelgeuse has been ...
Astronomy
Dec 4, 2023
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Red giants are old stars that eject gaseous material and solid particles through a stellar wind. Some red giants appeared to lose an exceptionally large amount of mass this way. However, new observations reveal that this ...
Astronomy
Feb 25, 2019
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Starspots are more common among red giant stars than previously thought. In the journal Astronomy & Astrophysics, researchers led by the Max Planck Institute for Solar System Research (MPS) in Germany report that approximately ...
Astronomy
Jul 13, 2020
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