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Chandrayaan-1 starts observing the Moon.


Byline: ANI

Paris, Nov 25 (ANI): After India's lunar orbiter Chandrayaan-1 released a probe that impacted close to the south pole South Pole, southern end of the earth's axis, lat. 90° S. It is distinguished from the south magnetic pole. The South Pole was reached by Roald Amundsen, a Norwegian explorer, in 1911. See Antarctica.  of the Moon on November 14, the instruments on the spacecraft are being switched on to get the science observations started.

The Moon Impact Probe was dropped close to Shackleton crater, a place close to the south pole, where ice may exist in areas that are never illuminated by the Sun.

It carried three instruments: a video imaging system, a radar altimeter and a mass spectrometer.

The imaging system took pictures of the Moon as it approached the surface, the radar was used to determine the altitude, and the mass spectrometer was used to study the thin lunar atmosphere.

The probe was released from the spacecraft on November 14 and took 25 minutes to reach the surface. As it descended, the probe transmitted pictures to the orbiter that were later downloaded to Earth.

The Terrain Mapping Camera, TMC TMC Technology Marketing Corporation (Norwalk, Connecticut)
TMC Texas Medical Center (Houston, TX)
TMC Traffic Message Channel
TMC The Movie Channel
TMC Traffic Management Center
, and the Radiation Dose Monitor, RADOM, were functional by that time on the orbiter.

After the impact of the probe, the remaining orbiter instruments were switched on consecutively for their commissioning activities.

During commissioning, all standard operating modes of an instrument are exercised and the data and housekeeping parameters are examined to verify that everything is working properly.

The European near-infrared spectrometer SIR-2, which was commissioned successfully on November 19, was also switched on and sent back housekeeping data indicating normal functionality.

Science observations were started successfully on November 20.

The Chandrayaan-1 X-ray Spectrometer, C1XS, was first activated on November 23, and its commissioning is in progress.

The Sub-keV Atom Reflecting Analyser, SARA Sara or Sarah, in the Bible, wife of Abraham and mother of Isaac. With Rebekah, Rachel, and Leah, she was one of the four Hebrew matriarchs. Her name was originally Sarai [Heb.,=princess].  will be commissioned from 7 to 10 December. The commissioning for this instrument will take longer than usual because the instrument operates at a high-voltage, which will be increased in steps.

Chandrayaan-1, India's first mission to venture beyond Earth orbit, was launched on October 22, 2008. The mission is led by ISRO ISRO Indian Space Research Organisation (Bangalore, India)
ISRO Isle Royale National Park (US National Park Service)
ISRO International Society of Radiation Oncology
ISRO International Securities Regulatory Organisation
 (Indian Space Research Organisation). (ANI)

Copyright 2008 Asian News International The Asian News International (ANI) agency provides multimedia news to China and 50 bureaus in India. It covers virtually all of South Asia since its foundation and presently claims, on its official website, to be the leading South Asia-wide news agency.  (ANI) - All Rights Reserved.

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Publication:Asian News International
Date:Nov 25, 2008
Words:346
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