Quantcast

Latest Terrestrial planets Stories

2011-10-05 13:31:37

MESSENGER scientists will highlight the latest results on Mercury from MESSENGER observations obtained during the first six months (the first Mercury solar day) in orbit. These findings will be presented October 5 in 30 papers and posters as part of a special session of the joint meeting of the European Planetary Science Congress and the Division for Planetary Sciences of the American Astronomical Society in Nantes, Frances. Scientists will also look ahead to MESSENGER observations still...

Image 1 - Dawn Finds Vesta's Mountains, Rough Surface, And Old-young Dichotomy In Hemispheres
2011-10-03 11:44:30

NASA´s Dawn mission, which has been orbiting Vesta since mid-July, has revealed that the asteroid´s southern hemisphere boasts one of the largest mountains in the Solar System. Other results show that Vesta´s surface, viewed at different wavelengths, has striking diversity in its composition particularly around craters.  The surface appears to be much rougher than most asteroids in the main asteroid belt.  Preliminary results from crater age dates indicate that areas...

Image 1 - Mercury Has Widespread Flood Volcanism
2011-09-29 13:23:32

NASA announced on Thursday that its MESSENGER spacecraft has found new evidence that flood volcanism has been widespread on Mercury. New data from the spacecraft reveals that 6 percent of Mercury's total surface is covered by volcanic plains. "Analysis of the size of buried ℠ghost' craters in these deposits shows that the lavas are locally as thick as 2 kilometers" (or 1.2 miles), James Head of Brown University, the lead author of one of the reports published in Science, said in a...

Image 1 - HARPS Finds Fifty New Exoplanets
2011-09-12 12:45:58

  Richest haul of planets so far includes 16 new super-Earths [ View Video ] Astronomers using ESO´s world-leading exoplanet hunter HARPS have today announced a rich haul of more than 50 new exoplanets, including 16 super-Earths, one of which orbits at the edge of the habitable zone of its star. By studying the properties of all the HARPS planets found so far, the team has found that about 40% of stars similar to the Sun have at least one planet lighter than Saturn. The...

Meteorites May Have Brought Precious Metals to Earth
2011-09-08 04:20:54

  Precious metals such as gold, platinum and tungsten were brought to Earth by a massive meteorite shower that occurred approximately 650 million years after the planet formed, scientists from the University of Bristol revealed on Wednesday. According to a university press release, researchers Dr. Matthias Willbold and Professor Tim Elliott of the university's School of Earth Sciences, studied nearly four billion year old rock samples recovered from Greenland. The samples, which...

space-082411-004
2011-08-24 15:03:54

  A team of scientists at Germany´s Max-Planck Institute for Astronomy has discovered a potentially habitable planet about 3.6 times as massive of Earth orbiting the star HD 85512, roughly 36.23 light years away (one light year is equivalent to roughly 5.9 trillion miles). Dan Vergano of USA Today reports that the discovery, led by the institute´s Lisa Kaltenegger, adds to the 572 planets orbiting nearby stars listed by the Extrasolar Planets Catalogue. Astronomers around...

space-082411-003
2011-08-24 14:46:12

  Computer models of asteroid impact debris from Earth to other planets show 100 times more particles end up on Mars than prior studies have shown. The highest-energy impact simulations show debris being flung into the planetary orbits and eventually finding its way to Jupiter. Two moons of which may be amenable to some forms of Earth-based life, BBC News is reporting. Panspermia is a theory that occupies much of meteoritic research, primarily that the precursors to life, or living...

2011-08-18 00:00:37

Mars Venus Now, the #1 relationship leading provider of relationship advice, relationship coaching and gender intelligence, is pleased to announce a new course offered online beginning in September 2011. (PRWEB) August 17, 2011 How would you like to learn the secrets on how to communicate effectively with the opposite gender? Are you struggling to know what you have been missing all these years? Do you wish you could find a better way to communicate? When it comes to building successful...

a910d986e79312d5b355be9a7eb9ff6a
2011-08-04 06:45:00

Seven years ago, on August 3, 2004, MESSENGER left Earth aboard a three-stage Boeing Delta II rocket to begin a journey that would take it more than 15 laps through the solar system, through six planetary flybys, and ultimately into orbit around Mercury. The spacecraft has travelled 5.247 billion miles (8.445 billion kilometers) relative to the Sun, and the team is one-third of the way through the one-year science campaign to understand the innermost planet. "As exciting as it was at the...


Latest Terrestrial planets Reference Libraries

6_ca87660286bca43fbd7e3f90543baaa72
2004-10-19 04:45:42

Terrestrial Planet -- A terrestrial planet is a planet that is mostly composed of silicate rocks and may or may not have a relatively thin atmosphere. The term is derived from the Greek word for Earth, so an alternate definition would be those planets that are more Earth-like than not. Terrestrial planets are very different from gas giants, which may or may not have solid surfaces and are composed mostly of hydrogen and helium in various physical states. Only one terrestrial planet,...

4_eccd202c9b173d8cc2bddcaa6629203b2
2004-10-19 04:45:40

The Planet Venus is the second planet from the sun. It is often called the evening star or morning star and is brighter than any object in the sky except the sun and the moon. Because its orbit lies between the sun and the orbit of the earth, Venus passes through phases like those of the moon, varying from a large bright crescent when the planet is near inferior conjunction (nearest the earth) to a smaller silvery disk when it is at superior conjunction (farthest from the earth). Since...

4_9748baf12fb7dd89aa4315d7732196cd2
2004-10-19 04:45:40

The Planet Mercury -- in astronomy, nearest planet to the sun, at a mean distance of 36 million mi (58 million km); its period of revolution is 88 days. Mercury passes through phases similar to those of the moon as it completes each revolution about the sun, although the visible disk varies in size with respect to its distance from the earth. Because its greatest elongation is 28, it is seen only for a short time after sunset or before sunrise. Since observation of Mercury is...

4_81f631e16d8d1d35870c180f342c83a12
2004-10-19 04:45:40

The Planet Mars -- in astronomy, 4th planet from the sun, with an orbit next in order beyond that of the earth. Physical Characteristics Mars has a striking red appearance, and in its most favorable position for viewing, when it is opposite the sun, it is twice as bright as Sirius, the brightest star. Mars has a diameter of 4,200 mi (6,800 km), just over half the diameter of the earth, and its mass is only 11% of the earth's mass. The planet has a very thin atmosphere consisting...

4_33609f8ebef994f54be143abe0bef9f42
2004-10-19 04:45:40

Earth -- in geology and astronomy, fifth largest planet of the solar system and the only planet definitely known to support life. Gravitational forces have molded the earth, like all celestial bodies, into a spherical shape. However, the earth is not an exact sphere, being slightly flattened at the poles and bulging at the equator. The equatorial diameter is c.7,926 mi (12,760 km) and the polar diameter 7,900 mi (12,720 km); the circumference at the equator is c.24,830 mi (40,000 km)....

More Articles (5 articles) »
Word of the Day
snash
  • To talk saucily.
  • Insolent, opprobrious language; impertinent abuse.
This word is Scots in origin and probably imitative.