No hope of waking up lander and rover now, says space scientist
signalling possible end of Chandrayaan-3 odyssey
Bengaluru (PTI): There is now no hope of waking up the Chandrayaan-3's moon lander and rover, an eminent space scientist said on Friday, signalling a possible end to India's third lunar mission.
Space Commission member and former ISRO Chairman A S Kiran Kumar, who was actively associated with the mission, told PTI: "No, no, there won't be any more hope of reviving. Now, if it should have happened, it should have happened by now. There is (now) no chance at all."
The ISRO said on September 22 -- after a new lunar day began -- efforts have been made to establish communication with solar-powered Vikram lander and Pragyan rover to ascertain their wake-up condition. As of now, no signals have been received from them. Efforts to establish contact will continue, it had said then.
With the Chandrayaan-3 mission, India scripted history on August 23 becoming the first country to touch down near the lunar south pole; and the fourth in the world to achieve soft-landing on the lunar surface after the US, the former Soviet Union and China.
The national space agency headquartered here had put the lander and rover into sleep mode, on September 4 and 2, respectively, before the sun set on the moon, hoping for their awakening at the next sunrise around September 22.
The lander and the rover are designed to operate for one lunar daylight period (about 14 earth days).
According to ISRO officials, all the three Chandrayaan-3 mission objectives -- demonstration of a safe and soft landing on the lunar surface, and demonstration of the rover roving on the moon and undertaking of in-situ scientific experiments on the lunar surface by its payloads and that of the lander -- have been achieved.
After landing on the moon, scientific payloads of the lander and the 26-kg six-wheeled rover had performed experiments one after the other so as to complete them within 14 earth days, before the pitch darkness and extreme cold weather engulfed the Moon.
ISRO officials had said that if it was able to reestablish communication with the lander and rover, it would be a "bonus"
"If our luck is good, we will have the revival of both the lander and rover and we will get some more experimental data, which will be useful for us to further do investigation of the moon surface", an official of the space agency had said.
On September 4, ISRO said Vikram lander exceeded its mission objectives. It successfully underwent a "hop" experiment. On command, it fired the engines, elevated itself by about 40 cm as expected and landed safely at a distance of 30 - 40 cm away. Importance ? This 'kick-start' enthuses future sample return and human missions !
The space agency said on September two that the rover completed its assignments, adding: "Hoping for a successful awakening for another set of assignments! Else, it will forever stay there as India's lunar ambassador."
On the accomplishment of the Chandrayaan-3 mission, Kiran Kumar said: "In the larger sense, what you have achieved definitely is you have reached an area (south pole) where nobody else has gone and got in-situ data of that region. And that is actually very useful information. It will benefit subsequent (missions) both in terms of knowledge and in terms of planning the activities that you want to do in that region".
He also spoke about the possibility of ISRO undertaking a sample-return mission to the Moon but gave no timeframe to undertake such a venture.
"Yes, definitely in future it will all be there because these are all technological capabilities you keep developing, now this (Chandrayaan-3) has shown soft-landing and subsequent ones will pick up material from there and come back, all those missions will definitely be there," Kumar said.
"In the future many of these things will be in the works. Plans will be made and then proposals will be put up based on the overall vision of technology development", he said. "It purely depends on how the overall planning happens, and how much resources are made available, so it's very difficult to tell (the time-frame for the sample-return mission).
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RSS man's defamation case against Rahul: Key witness unavailable, hearing adjourned to Dec 20
Thane (PTI): A court in Bhiwandi in Thane district on Saturday adjourned the hearing in the criminal defamation case filed against Congress leader Rahul Gandhi by a Rashtriya Swayamsevak Sangh (RSS) worker to December 20 due to non-availability of a crucial prosecution witness.
Advocate Narayan Iyer, counsel for Rahul Gandhi, confirmed the adjournment, stating that the witness, Ashok Saykar, currently Deputy Superintendent of Police in Barshi in Solapur, could not remain present due to personal reasons.
Saykar's evidence is now likely to be recorded on December 29.
His testimony is considered key because he, as police sub inspector in 2014, conducted the preliminary inquiry into the private defamation matter under Section 202 of the Code of Criminal Procedure (CrPC).
It was on the basis of Saykar's submitted report that the court subsequently issued process (summons) against Rahul Gandhi under Section 500 of the Indian Penal Code (IPC).
The criminal defamation case was filed by local RSS worker Rajesh Kunte following a speech given by Rahul Gandhi at an election rally near Bhiwandi on March 6, 2014.
The case stems from the Congress leader's alleged statement that "the RSS people killed (Mahatma) Gandhi."
The matter is being heard by Bhiwandi Joint Civil Judge, Junior Division, P M Kolse.
The hearing had previously been adjourned on November 15 after the complainant's counsel, Advocate Prabodh Jaywant, moved an application seeking permission to examine Saykar, who had submitted the probe report to the court.
The matter was originally scheduled for November 29 but was deferred to December 6 after Rahul Gandhi's legal team sought an adjournment citing their non-availability. The proceedings will now resume on December 20.
