News tagged with space observatory

A burst of stars 13 billion years ago

(Phys.org) —The universe immediately following the big bang contained mostly hydrogen and some helium. All the other elements needed to make galaxies, planets, and life were formed in stellar interiors ...

dateJun 03, 2013 in Astronomy
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Massive stellar winds are made of tiny pieces

(Phys.org)—ESA's XMM-Newton space observatory has completed the most detailed study ever of the fierce wind from a giant star, showing for the first time that it is not a uniform breeze but is fragmented ...

dateFeb 05, 2013 in Astronomy
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Retired star found with planets and debris disc

(Phys.org) —ESA's Herschel space observatory has provided the first images of a dust belt – produced by colliding comets or asteroids – orbiting a subgiant star known to host a planetary system. The ...

dateApr 09, 2013 in Astronomy
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Herschel confirms the origin of cosmic dust

(Phys.org)—The Herschel space observatory has produced an intricate view of the remains of a star that died in a stellar explosion a millennium ago. It has provided further proof that the interstellar dust ...

dateJan 08, 2013 in Astronomy
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Asteroid Toutatis tumbles by Earth

While Asteroid 4179 Toutatis was never a threat to hit Earth during its quite-distant pass on Dec. 11-12, astronomers were keeping their instruments and eyes on this space rock to learn more about it, as ...

dateDec 13, 2012 in Space Exploration
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The spectral energy distribution of protostars

(Phys.org) -- Stars form when gravitational forces coalesce the gas and dust in interstellar clouds until the material forms clumps dense enough to become stars. Precisely how this happens, however, is still ...

dateAug 06, 2012 in Astronomy
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