Posts Tagged ‘Water’

NASA Confirms Water on Mars

Thursday, July 31st, 2008

Laboratory tests aboard NASA’s Phoenix Mars Lander have identified water in a soil sample. The lander’s robotic arm delivered the sample Wednesday to an instrument that identifies vapors produced by the heating of samples.

“We have water,” said William Boynton of the University of Arizona, lead scientist for the Thermal and Evolved-Gas Analyzer, or TEGA. “We’ve seen evidence for this water ice before in observations by the Mars Odyssey orbiter and in disappearing chunks observed by Phoenix last month, but this is the first time Martian water has been touched and tasted.”

–>Link to NASA article

Discovery of Earth-Like Exoplanet

Sunday, July 27th, 2008


A team of astronomers announced they have discovered the smallest and potentially most Earth-like extrasolar planet yet. Five times as massive as Earth, it orbits a relatively cool star at a distance that would provide earthly temperatures as well, signaling the possibility of liquid water.

“The separation between the planet and its star is just right for having liquid water at its surface,” says astronomer and team spokesperson Stephane Udry of the Observatory of Geneva in Versoix, Switzerland. “That’s why we are a bit excited.”

–>Link to article

Moon Water Found, Raises Questions About Origin Theory

Wednesday, July 9th, 2008

Water found in moon matter counters the long-held belief that Earth’s satellite is bone dry, researchers announced today.

Geologists used new technology to coax water molecules from volcanic glasses brought back decades ago by two Apollo missions.

The researchers believe the water was ejected along with magma when “fire fountains” erupted more than three billion years ago from the moon’s surface.

The finding raises new questions about the long-standing “giant impact” theory, which holds that the moon was formed more than a billion years prior to that when a Mars-sized body slammed into Earth and sent debris into orbit.

–> Link to article

Phoenix Mars Lander Confirms Frozen Water

Monday, July 7th, 2008

Scientists relishing confirmation of water ice near the surface beside NASA’s Phoenix Mars Lander anticipate even bigger discoveries from the robotic mission in the weeks ahead.

The key new evidence is that chunks of bright material exposed by digging on June 15 and still present on June 16 had vaporized by June 19. “This tells us we’ve got water ice within reach of the arm, which means we can continue this investigation with the tools we brought with us,” said Mark Lemmon of Texas A&M University, College Station, lead scientist for Phoenix’s Surface Stereo Imager camera. He said the disappearing chunks could not have been carbon-dioxide ice at the local temperatures because that material would not have been stable for even one day as a solid.

–> Link


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