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Latest Terrestrial planet Stories

511e70818e710e93673339b0d4195e7a1
2009-05-26 06:45:00

Since the early 1990s astronomers have discovered more than 300 planets orbiting stars other than our sun, nearly all of them gas giants like Jupiter. Powerful space telescopes, such as the one that is central to NASA's recently launched Kepler Mission, will make it easier to spot much smaller rocky extrasolar planets, or exoplanets, more similar to Earth. But seen from dozens of light years away, an Earth-like exoplanet will appear in telescopes as little more than a "pale blue dot," the...

2009-05-12 13:32:53

U.S. scientists say they have created an astro-comb technology that helps astronomers detect Earth-like planets orbiting distant stars. Researchers at the Harvard-Smithsonian Center for Astrophysics said many extrasolar planets can't be seen directly because the glare of their nearby star is too great. But although a planet might weigh millions of times less than its star, the star will be moved a tiny amount by the gravity interaction with the planet, the researchers said. That motion causes...

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2009-05-08 08:35:00

A new way of reading light will sharpen the view of planets around other stars Thanks to the ability of astronomers to detect the presence of extrasolar planets orbiting distant stars, scientists today are able to examine hundreds of solar systems. Now researchers at the Harvard-Smithsonian Center for Astrophysics in Cambridge, Mass. have created an "astro-comb" to help astronomers detect lighter planets, more like Earth, around distant stars. The Harvard group will present their findings at...

2009-04-20 13:34:32

Astronomers using the U.S. space agency's Spitzer Space Telescope say they have discovered at least one in 100 white dwarf stars has orbiting asteroids. The international team of astronomers say their finding suggests the orbiting asteroids and rocky planets once hosted solar systems similar to our own. White dwarf stars are the compact, hot remnants of stars such as the sun. The new observations suggest such Earth-sized stars are often polluted by a gradual rain of closely orbiting dust that...

fdf49eb8b995a4020cdaefd2fc80a0601
2009-04-20 09:08:16

Astronomers have announced plans to build an ultra-stable, high-precision spectrograph for the Science and Technology Facilities Council's 4.2-m William Herschel Telescope (WHT - part of the Isaac Newton Group or ING on La Palma) in an effort to discover habitable Earth-like planets around other stars. Dr Ian Skillen of the ING will present the new High Accuracy Radial-velocity Planet Search "“ New Earths Facility (HARPS-NEF) spectrograph in a poster on Monday 20th April at the European...

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2009-04-20 08:45:00

Using NASA's Spitzer Space Telescope, an international team of astronomers have found that at least 1 in 100 white dwarf stars show evidence of orbiting asteroids and rocky planets, suggesting these objects once hosted Solar Systems similar to our own. Team member Dr Jay Farihi of the University of Leicester will present this discovery on Monday 20th April at the European Week of Astronomy and Space Science conference at the University of Hertfordshire. White dwarf stars are the compact, hot...

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2009-03-19 16:45:00

Does a twin Earth exist somewhere in our galaxy? Astronomers are getting closer and closer to finding an Earth-sized planet in an Earth-like orbit. NASA's Kepler spacecraft just launched to find such worlds. Once the search succeeds, the next questions driving research will be: Is that planet habitable? Does it have an Earth-like atmosphere? Answering those questions will not be easy. Due to its large mirror and location in outer space, the James Webb Space Telescope (scheduled for launch in...

2009-03-05 12:51:00

CAPE CANAVERAL, Fla., March 5 /PRNewswire-USNewswire/ -- NASA's Kepler mission to seek other Earth-like planets is undergoing final preparations for liftoff Friday, March 6, from Pad 17-B at Cape Canaveral Air Force Station in Florida. The spacecraft launch aboard a Delta II rocket has two windows of opportunity Friday, from 10:49 to 10:52 p.m. and 11:13 to 11:16 p.m. EST. (Logo: http://www.newscom.com/cgi-bin/prnh/20081007/38461LOGO) Kepler is designed to find the first Earth-size planets...

7b26a1b3a446d36b3c13eeae45f1224f1
2009-03-06 22:15:00

NASA reports a successful launch on Friday night for a revolutionary new space telescope that will seek out other Earth-like planets in the Milky Way galaxy. Scientists hope Kepler will find planets potentially hospitable to life. At 0348 GMT (10:48pm), the Kepler telescope liftoff marks the agency's first mission to seek out life-sustaining planets. Kepler launched via a United Launch Alliance Delta II rocket from Cape Canaveral Air Force Station in...

a7bb8dd6dd7733e2e48f5809ed1307cc1
2009-03-05 15:01:26

When NASA's Kepler telescope rockets into the night sky on Friday, March 6, from Cape Canaveral Air Force Station in Florida, two University of California, Berkeley, astronomers - key members of the Kepler team - will be watching its fading contrail, hoping that the telescope will reveal Earth's and humanity's place in the universe. Kepler's main goal is to discover Earth-size planets outside our solar system with conditions conducive to life, but it also will tell us how common rocky planets...


Latest Terrestrial planet Reference Libraries

Planetary and Space Science
2012-05-28 10:21:45

Planetary and Space Science is a peer-reviewed scientific journal established in 1959 and published by Elsevier 15 times per year. As of May 2012, the editor-in-chief is Rita Schulz (The Netherlands). The journal publishes original research articles and short communications. The main focus is on solar system processes which encompass multiple areas of the natural sciences. Research that involves planetary and space sciences involves many disciplines. Celestial mechanics is part of these...

7_a23a0395183f2368aec4b62e1b9470672
2004-10-19 04:45:43

Terrestrial Planet Finder -- The Terrestrial Planet Finder is a proposed NASA telescope system capable of detecting extrasolar terrestrial planets. In May 2002, NASA chose two TPF mission architecture concepts for further study and technology development. Each would use a different means to achieve the same goal - to block the light from a parent star in order to see its much smaller, dimmer planets. That technology challenge has been likened to finding a firefly near the beam of...

6_07e7808819d3a0e0b1e9459490122f2b2
2004-10-19 04:45:42

Planet -- A planet is a body of considerable mass that orbits a star and that doesn't produce energy through nuclear fusion. Until recently, only nine were known (all of them in our own Solar system). As of the end of 2002 over 100 are known, with all of the new discoveries being extrasolar planets. Astronomers often call asteroids minor planets, and call the larger planetary bodies (those which are commonly called planets) major planets. Planets within the solar system can be...

Gas Giant
2004-10-19 04:45:41

Gas Giant -- A gas giant is a generic astronomical term invented by the science fiction writer James Blish to describe any large planet that is not composed mostly of rock or other solid matter. Gas giants may still have a solid core - in fact, it is expected that such a core is probably required for a gas giant to form - but the majority of its mass is in the form of gas (or gas compressed into a liquid state). Unlike rocky planets, gas giants do not have a well-defined surface. There...

6_f3ae28666ea2fe9e06e16221eea19d522
2004-10-19 04:45:41

Extrasolar Planet -- An extrasolar planet is a planet orbiting around a star other than the Sun. Extrasolar planets were first discovered in the 1990s as a result of improved telescope technology, CCD and computer-based image processing which allowed far more accurate measurements of stellar motions. The first extrasolar planets were reported by the astronomer Aleksander Wolszczan in 1993, orbiting the pulsar PSR 1257+12. Subsequent investigation has determined that they are only planets...

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Word of the Day
grass-comber
  • A landsman who is making his first voyage at sea; a novice who enters naval service from rural life.
According to the OED, a grass-comber is also 'a sailor's term for one who has been a farm-labourer.'