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Latest Planetary geology Stories

Images Beneath Mars Surface
2013-08-12 12:09:33

Brett Smith for redOrbit.com - Your Universe Online A newly released image from the European Space Agency (ESA) offered a groundbreaking peek under the surface of Mars courtesy of the international agency’s Mars Express orbiter. Using ground penetrating radar, the spacecraft was able to image the composition of Mars several miles below the surface, revealing various layers of ice, dust and rock. The image essentially revealed a 3,500-mile slice through the planet’s southern...

Mars Double Layered Craters Are The Result Of Impactors And Ice
2013-08-06 04:16:26

redOrbit Staff & Wire Reports - Your Universe Online The over 600 double-layer ejecta (DLE) craters on Mars resulted because the planet's surface was covered by a thick sheet of ice during the time of impact, geologists from Brown University have discovered. According to David Kutai Weiss, a graduate student at the Providence, Rhode Island school, and geological science professor James W. Head, DLEs - like most craters - are surrounded by debris that is excavated when an asteroid or...

New Mars Express Images Show Craters Once Filled With Water
2013-08-01 17:46:25

Brett Smith for redOrbit.com – Your Universe Online Newly released images from the European Space Agency (ESA) show how water and other natural forces shaped craters and other surface features on Mars. According to a statement from the space agency, the craters shown were once filled with sediments and water. Only traces of their history can now be found in the Martian desert. The images, snapped on January 15 by ESA’s Mars Express orbiter, show a swath of the red planet just a...

Earth's Origins May Be Explained Through Mantle's 'Hidden Flux'
2013-07-17 14:46:32

Brett Smith for redOrbit.com - Your Universe Online One of the more popular theories surrounding the formation of the planets involves the countless collisions of smaller objects in orbit around the sun 4.5 billion years ago. However, proponents of that theory are missing one thing: the Earth's chemical composition is distinctly different from the meteors that are currently striking the planet. Scientists have found that the lead-uranium ratio of meteors is much different than that of...

MESSENGER Team Names Ten Major Fault Scarps On Mercury
2013-06-08 08:29:31

April Flowers for redOrbit.com -- Your Universe Online Recently, the MESSENGER Science Team proposed names for 10 rupes on Mercury. The International Astronomical Union (IAU), which has been the arbiter of planetary and satellite nomenclature since 1919, approved the names. In keeping with the theme of naming rupes on Mercury, they all bear the names of ships of discovery. Rupes is the Latin word for cliff, which perfectly suits the formations on Mercury. They are long cliff-like...

Underground Explosions Responsible For Pits Inside Twin Craters On Mars
2013-04-11 11:32:25

ESA Dramatic underground explosions, perhaps involving ice, are responsible for the pits inside these two large martian impact craters, imaged by ESA´s Mars Express on 4 January. The ℠twin´ craters are in the Thaumasia Planum region, a large plateau that lies immediately to the south of Valles Marineris, the largest canyon in the Solar System. The northernmost (right) large crater in this scene was officially given the name Arima in early 2012, but the southernmost...

3-D Image Of Buried Mars Flood Channels
2013-03-08 05:54:03

April Flowers for redOrbit.com - Your Universe Online For the first time ever, new maps of the subsurface of Mars show buried channels below the surface of the planet. These channels suggest evidence of flooding on a planet that has been considered by scientists to be cold and dry for the last 2.5 billion years. The young channels are located in Elysium Planitia, an expanse of plains along the equator. This region is also the youngest volcanic region on Mars. Understanding the scale and...


Latest Planetary geology Reference Libraries

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2010-10-29 20:31:07

Harrison Schmitt was a NASA astronaut, and is also an American geologist. He was born Harrison Hagan "Jack" Schmitt on July 3, 1935 in Santa Rita, New Mexico. After high school, he went to the California Institute of Technology and received a B.S. degree in science in 1957. He then went to Norway to study geology at the University of Oslo. In 1964, Schmitt earned a Ph.D. in geology from Harvard University. After receiving his doctorate, he worked at the U.S. Geological Survey's...

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...

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Word of the Day
glogg
  • Scandinavian punch made of claret and aquavit with spices and raisins and orange peel and sugar.
This word comes from the Swedish 'glogg,' which is an alteration of 'glodgat,' mulled (wine).
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