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Latest Microlensing Observations in Astrophysics Stories

exomoon candidate
2014-04-10 12:05:00

Whitney Clavin, NASA Jet Propulsion Laboratory Titan, Europa, Io and Phobos are just a few members of our solar system's pantheon of moons. Are there are other moons out there, orbiting planets beyond our sun? NASA-funded researchers have spotted the first signs of an "exomoon," and though they say it's impossible to confirm its presence, the finding is a tantalizing first step toward locating others. The discovery was made by watching a chance encounter of objects in our galaxy, which...

2011-05-18 12:00:00

WASHINGTON, May 18, 2011 /PRNewswire-USNewswire/ -- Astronomers, including a NASA-funded team member, have discovered a new class of Jupiter-sized planets floating alone in the dark of space, away from the light of a star. The team believes these lone worlds probably were ejected from developing planetary systems. (Logo: http://photos.prnewswire.com/prnh/20081007/38461LOGO) The discovery is based on a joint Japan-New Zealand survey that scanned the center of the Milky Way galaxy during...

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2008-06-02 13:40:00

Newly discovered extrasolar planet is the smallest known and has smallest host starAn international team of astronomers led by David Bennett of the University of Notre Dame has discovered an extra-solar planet of about three Earth masses orbiting a star with a mass so low that its core may not be large enough to maintain nuclear reactions. The result was presented Monday (June 2) at the American Astronomical Society annual meeting in St. Louis.The planet, referred to as MOA-2007-BLG-192Lb,...

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2008-02-14 13:35:00

COLUMBUS, Ohio -- An international team of astronomers has discovered two planets that resemble smaller versions of Jupiter and Saturn in a solar system nearly 5,000 light years away. The find suggests that our galaxy hosts many planetary systems like our own, said Scott Gaudi, assistant professor of astronomy at Ohio State University. He and his colleagues reported their results in the February 15 issue of the journal Science. The two planets were revealed when the star they orbit crossed in...

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2006-01-25 12:35:00

NASA -- Using an armada of telescopes, an international team of astronomers has found the smallest planet ever detected around a normal star outside our solar system. The extrasolar planet is five times as massive as Earth and orbits a red dwarf, a relatively cool star, every 10 years. The distance between the planet, designated OGLE-2005-BLG-390Lb, and its host is about three times greater than that between the Earth and the Sun. The planet's large orbit and its dim parent star make its...

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2005-05-31 07:15:00

EDP -- Fifty years after his death, Albert Einstein's work still provides new tools for understanding our universe. An international team of astronomers has now used a phenomenon first predicted by Einstein in 1936, called gravitational lensing, to determine the shape of stars. This phenomenon, due to the effect of gravity on light rays, led to the development of gravitational optics techniques, among them gravitational microlensing. It is the first time that this well-known technique has...

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2005-05-23 15:28:13

Cambridge, MA -- For the first time, amateur and professional astronomers have teamed up to discover a new planet circling a distant star. The planet was detected by looking for the effect of its gravitational field on light from a more distant star, a technique known as microlensing. It is only the second world to be discovered using the microlensing technique. Gravitational microlensing offers the potential for detecting Earth-mass planets using existing or near-future technologies. "This...

2004-11-30 15:00:08

The origin of dark matter in space might become clearer following the opening of a new multi-million-dollar telescope at Mt John tomorrow. The $7 million telescope, paid for by the Japanese government, has been installed in a purpose-built building funded by a Tekapo company, Earth and Sky Ltd, which will have access to the observatory for its tourism operation. The new telescope will be used for the microlensing observations in astrophysics (MOA) project -- an international...


Word of the Day
caparison
  • A cloth or covering, more or less ornamented, laid over the saddle or furniture of a horse, especially of a sumpter-horse or horse of state.
  • Clothing, especially sumptuous clothing; equipment; outfit.
  • To cover with a caparison, as a horse.
  • To dress sumptuously; adorn with rich dress.
This word ultimately comes from the Medieval Latin 'cappa,' cloak.
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