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planet

Qatar-led international team finds its first alien world

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In an exciting example of international collaboration, a Qatar astronomer teamed with scientists at the Harvard-Smithsonian Center for Astrophysics (CfA) and other institutions to discover a new alien world. This “hot Jupiter,” now named Qatar…

Categories Blog Entry, Earth, Energy & Environment, Health, Physics & Mathematics, Space

Carbon-rich planet: A girl’s best friend?

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A peculiar gas-giant planet orbiting a sun-like star 1200 light-years away is the first carbon-rich world ever observed.
The implications are big for planetary chemistry, because without much oxygen, common rocks throughout the planet would be…

Categories Blog Entry, Space, Technology

Astronomers discover, image new planet in planetary system very similar to our own

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An international team of astronomers has discovered and imaged a fourth giant planet outside our solar system, a discovery that further strengthens the remarkable resemblances between a distant planetary system and our own.
The research is publi…

Categories Blog Entry, Earth, Energy & Environment, Physics & Mathematics, Space

New pictures show fourth planet in giant version of our solar system

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LIVERMORE, Calif. — Astronomers have discovered a fourth giant planet, joining three others that, in 2008, were the subject of the first-ever pictures of a planetary system orbiting another star other than our sun.
The solar system, discovered b…

Categories Blog Entry, Earth, Energy & Environment, Health, Physics & Mathematics, Space

Super-Earth has an atmosphere, but is it steamy or gassy?

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In December 2009, astronomers announced the discovery of a super-Earth known as GJ 1214b. At the time, they reported signs that the newfound world likely had a thick, gaseous atmosphere. Now, a team led by Jacob Bean (Harvard-Smithsonian Center …

Categories Blog Entry, Earth, Energy & Environment, Physics & Mathematics, Space

How to weigh a star using a moon

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How do astronomers weigh a star that’s trillions of miles away and way too big to fit on a bathroom scale? In most cases they can’t, although they can get a best estimate using computer models of stellar structure.
New work by astrophysicist…

Categories Blog Entry, Physics & Mathematics, Space, Technology

UT Dallas researcher helps reveal more complete picture of Martian atmosphere

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Instruments designed by a UT Dallas professor to measure atmospheric components on the surface of Mars have uncovered important clues about the planet’s atmosphere and climate history.
The findings, published in a recent issue of the journal Scien…

Categories Blog Entry, Earth, Energy & Environment, Space

Newly discovered planet may have water on its surface

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Categories Blog Entry, Earth, Energy & Environment, Physics & Mathematics, Space

Chandra finds evidence for stellar cannibalism

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Evidence that a star has recently engulfed a companion star or a giant planet has been found using NASA’s Chandra X-ray Observatory. The likely existence of such a “cannibal” star provides new insight into how stars and the planets around them …

Categories Blog Entry, Physics & Mathematics, Space

Can we spot volcanoes on alien worlds? Astronomers say yes

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Volcanoes display the awesome power of Nature like few other events. Earlier this year, ash from an Icelandic volcano disrupted air travel throughout much of northern Europe. Yet this recent eruption pales next to the fury of Jupiter’s moon Io…

Categories Blog Entry, Earth, Energy & Environment, Physics & Mathematics

U of C scientist offers better ways to engineer Earth’s climate to prevent dangerous global warming

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There may be better ways to engineer the planet’s climate to prevent dangerous global warming than mimicking volcanoes, a University of Calgary climate scientist says in two new studies.
“Releasing engineered nano-sized disks, or sulphuric acid in…

Categories Blog Entry, Earth, Energy & Environment, Physics & Mathematics, Space

With new technique, UF astronomers find potassium in giant planet’s atmosphere

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GAINESVILLE, Fla. — Any driver who’s seen deer silhouetted by the headlights of an oncoming car knows that vital information can be conveyed by the outlines of objects.
Building on this concept, University of Florida astronomers have analyzed l…

Categories Blog Entry, Earth, Energy & Environment, Physics & Mathematics, Space, Technology
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