Chandrayaan-2’s ‘Vikram’ lander is lying in a titled position on the surface of the moon but is in one piece, an official of the Indian Space Research Organisation has said amid efforts by the space agency to re-establish communication with it.
Vikram lander, named after the father of India’s space programme Vikram Sarabhai, had lost contact with the orbiter of the Chandrayaan-2 mission two minutes after it was to soft-land on the lunar surface near the moon’s south pole. Isro chief K Sivan had yesterday said the lunar orbiter, which is going around the moon at an altitude of 100km, had taken a thermal image of the lander on the moon’s surface. The orbiter’s camera is the highest resolution camera in any lunar mission so far. The effort to re-establish contact would continue for 14 days from Saturday – the mission life of the lander.
The thermal image, an ISRO official said, shows that the lander had a hard-landing close to the location where it was planned to touchdown. “The lander is there as a single piece, not broken into pieces. It’s in a tilted position,” an ISRO official associated with the mission said on Monday, according to news agency PTI.
Also Watch: Chandrayaan 2: Lander Vikram located, attempt on to establish contact
Chandrayaan 2: Lander Vikram located, attempt on to establish contact
ISRO has said that the lander Vikram has now been located on the surface of the moon and scientists are now trying to establish contact with it.
ISRO and its chief Sivan have, however, underscored that even if the lander and the rover, Pragyan, are intact, they would not be able to transmit any scientific data without any communication.
Isro has described Chandrayaan-2 as a highly complex mission that represented a “significant technological leap”.
Vikram carried three payloads Radio Anatomy of Moon Bound Hypersensitive Ionosphere and Atmosphere (RAMBHA), Chandra’s Surface Thermo-physical Experiment (ChaSTE) and Instrument for Lunar Seismic Activity (ILSA).
Officials have indicated that the inverted or titled position of the lander had reduced the possibility of success in re-establishing contact with the lander since the antennas had to be pointed towards the ground station or the orbiter.
Quoting an Isro official, news agency PTI said the lander generating power was not an area of concern since it has “solar panels all around it” and it also has “internal batteries” which “are not used much.”
A soft-landing of the lander would have put India in an elite group of four nations along with the US, erstwhile Soviet Union, and China to have successfully landed on the lunar surface. It would have made Chandrayaan-2 the first mission to land near the South Pole of the Moon; all other missions have been in a region between the equator and 30 to 40 degrees north and south of it.
The trajectory taken by the Chandrayaan-2 spacecraft ensured that the orbiter had spare fuel and the mission might stay in the lunar orbit for seven-and-a-half years instead of the planned one year.
Moon provides the best linkage to Earth’s early history. It offers an undisturbed historical record of the inner Solar system environment. Though there are a few mature models, the origin of Moon still needs further explanations. Extensive mapping of lunar surface to study variations in lunar surface composition is essential to trace back the origin and evolution of the Moon. Evidence for water molecules discovered by Chandrayaan-1, requires further studies on the extent of water molecule distribution on the surface, below the surface and in the tenuous lunar exosphere to address the origin of water on Moon.
The lunar South Pole is especially interesting because of the lunar surface area here that remains in shadow is much larger than that at the North Pole. There is a possibility of the presence of water in permanently shadowed areas around it. In addition, South Pole region has craters that are cold traps and contain a fossil record of the early Solar System.
Chandrayaan-2 will attempt to soft land the lander -Vikram and rover- Pragyan in a high plain between two craters, Manzinus C and Simpelius N, at a latitude of about 70° south.