First Analysis Results of Comet 67P

Astronomy Science ~ European Space Agency (ESA) Researchers convinced robot Philae that have landed on the comet 67P / Churyumov-Gerasimenk...

Astronomy Science ~ European Space Agency (ESA) Researchers convinced robot Philae that have landed on the comet 67P / Churyumov-Gerasimenko will soon rise from sleeping position. As is known, the robot is released from the Rosetta orbiter main battery runs out of power. As a result Philae could not carry out the mission sampling.

"We believe strongly in several stages, Philae will wake up again and we were able to establish contact," said Stephan Ulamec, Manager reported CSMonitor Philae landing. After the main battery power runs out, Philae only use secondary battery power from sun exposure. Opportunity to get power from the sun will occur when the comet approaches the sun. Unfortunately, an estimated Philae will get sunlight in a few months.

Comet 67P surface
Comet 67P surface
However, in the analysis before Philae asleep, researchers claimed to have gained a lot of valuable data about the initial observations of the comet's surface. Scientific Director of the German Space Agency Landing (DLR), Ekkehard Kuhrt, said the team is excited with the results of preliminary data that have been collected.

"It turns out that the nature of the comet's surface looks very different than previously thought," said Kuhrt. The team in charge of the instrument Multi-Purpose Sensors for Surface and Sub-Surface Science (MUPUS) said the comet's surface as hard as ice.

Tilman Spohn (Research Institute of Planetary Research DLR,) said, no maximum working instrument in the comet's surface because of the depth of the surface. "Surface 67P / Churyumov-Gerasimenko proved to be a 'tough nut to crack'," says Spohn.

Researchers say, unfortunately the two instruments is expected to explore the surface of the comet just do not have time to use. Heat sensors and accelerometers instruments could not be used, because it can not expand when landing.

"The strength of ice found under a layer of dust on the first landing site," explained Klaus Seidensticker, researchers DLR Institute of Planetary Research. Meanwhile, two other instruments showed that the comet activity at the landing site were low and there is the presence of large amounts of ice beneath the robot.

Three instruments designed to take samples that drill instrument Sampling, Drilling and Distribution (SD2), instruments for the analysis of complex organic (COSAC) and instruments to explore geokomia elements such as hydrogen, carbon, nitrogen, and oxygen (PTOLEMY).

At present, while waiting for Philae to rise again, scientists need to analyze the data to determine whether the soil samples are thoroughly checked in gas chromatography. The next mission, ESA's first landing target locations were considered to have better sun exposure. "Now (the landing position at this time) we were in the shadows. We will need more time to charge," said Ulamec.
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Astronomy Science: First Analysis Results of Comet 67P
First Analysis Results of Comet 67P
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