Nasa Study Moon
September 11, 2011 by staff
Nasa Study Moon, NASA’s twin Gravity Recovery and spacecraft Lunar Interior Laboratory (GRAIL) blasted off from Cape Canaveral in Florida at 9:08 am EDT on Saturday to study the moon in unprecedented detail.
GRAIL-A is scheduled to reach the Moon in the New Year’s Eve 2011, while GRAIL-B will arrive on New Year’s Day 2012.
The two spacecraft solar will fly in orbits around the moon in tandem to measure its gravity field. GRAIL answer longstanding questions about the moon and give scientists a better understanding of how Earth and other rocky planets in the solar system was formed.
“If there was ever any doubt that Florida’s Space Coast will remain open for business, he thought it was drowned by the roar of the launch of the Holy Grail today,” said NASA Administrator Charles Bolden. “Grail and many other exciting upcoming missions make it clear that NASA is taking its next big leap in the exploration of deep space, and space industry continues to provide jobs and workers needed to support this critical effort.”
The spacecraft was launched aboard a United Launch Alliance Delta II. GRAIL mission controllers acquired signal GRAIL-A. At 10:29 am GRAIL-B signal was eight minutes later downlink telemetry from both spacecraft indicates that its solar panels have deployed and are operating as expected.
“Our earth has twins Grail in his mirrors and moon in their sights,” said David Lehman, project director for the Holy Grail at the Jet Propulsion Laboratory (JPL) in Pasadena, Calif. “The mission team ready to test,anlyze and fine tune our spacecraft in the next three and a half months in our journey to the lunar orbit. ”
The straight-line distance from Earth to the Moon is about 250,000 miles (402.336 km). NASA’s Apollo moon around the equipment needed three days to travel that distance. However, each ship will have approximately 3.5 months and cover more than 2.5 million miles (4 million kilometers) to arrive. This low power consumption results in path travel time is longer. The launch vehicle size allows more time for the spacecraft and departure time to update plans lunar operations. The collection phase of the knowledge of the Holy Grail is expected to last 82 days.
“Since the first humans looked toward the sky, have been fascinated by the moon,” said lead researcher Maria Zuber of the Holy Grail of the Massachusetts Institute of Technology in Cambridge. “GRAIL lunar exploration is a new level, providing an unprecedented characterization of the interior of the moon to move in the understanding of how the moon formed and evolved.”
JPL manages the mission for the Holy Grail. Discovery is part of the program managed at the Marshall Space Flight Center in Huntsville, Ala. Lockheed Martin Space Systems in Denver built the spacecraft. Launch of mission management is the responsibility of NASA launch services program at the Kennedy Space Center in Florida
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