ISRO successfully deploys magnetometer boom on board Aditya-L1 spacecraft
Bengaluru (PTI): ISRO has successfully deployed the magnetometer boom on board the Aditya-L1 satellite to measure the low intensity interplanetary magnetic field in space.
The six metre-long magnetometer boom is deployed in the Halo orbit at the Lagrange point L-1, on January 11, the space agency said, noting that the boom had been in stowed condition for 132 days since the Aditya-L1 launch.
According to ISRO, the boom carries two state-of-the-art, high-accuracy fluxgate magnetometer sensors that measure the low intensity interplanetary magnetic field in space.
"The sensors are deployed at distances of 3 and 6 metres from the spacecraft body. Mounting them at these distances minimises the impact of the spacecraft generated magnetic field on measurements, and using two of them assists precise estimation of this influence. The dual sensor system facilitates cancelling out the spacecraft's magnetic influence," it said.
The boom segments are constructed from carbon fibre reinforced polymer and serve as interfaces for the sensor mounting and mechanism elements, ISRO said.
The articulated boom mechanism comprises five segments interconnected through spring-driven hinge mechanisms, allowing for folding and deploying actions, it was noted.
India's maiden solar mission Aditya-L1 reached the L1 point, located roughly 1.5 million km from earth enabling the spacecraft to view the sun continuously, on January six, 127 days after it was launched on September 2, 2023.
The solar observatory at L1 is aimed at "Observing and understanding the chromospheric and coronal dynamics of the Sun" in a continuous manner.
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Congress cites Maniben Patel's diary entries, asks Rajnath to apologise for Babri claim
New Delhi (PTI): The Congress on Saturday shared diary entries of Vallabhbhai Patel's daughter from a book to rebut Defence Minister Rajnath Singh's claim that India's first prime minister, Jawaharlal Nehru, wanted to build the Babri masjid using public funds, and demanded that Singh apologise for spreading "falsehoods".
Congress general secretary in charge of communications, Jairam Ramesh, claimed the defence minister was spreading falsehoods to “improve his relationship” with Prime Minister Narendra Modi.
“Here is Maniben's original diary entry in Gujarati on pages 212-213 in the book ‘Samarpit Padchhayo Sardarno’ by CA R S Patel 'Aaresh', published by Sardar Patel Vallabhbhai Patel Memorial Society, 2025,” Ramesh said on X, sharing screenshots of the relevant pages from the book.
“There is a huge difference between what is contained in the original diary entry and what Rajnath Singh ji and his fellow ‘distorians’ are propagating,” Ramesh said.
“The Defence Minister must apologise for the falsehoods he is spreading, simply to improve his relationship with the PM,” he claimed.
The Congress had earlier termed Singh's claim that Nehru wanted to build the Babri masjid using public funds a “lie” and “WhatsApp university story”, and said the defence minister should not walk in Prime Minister Narendra Modi's path.
Addressing a gathering at Sadhli village in Gujarat's Vadodara district last Tuesday, Singh said Nehru wanted to build the Babri masjid using public funds, but Sardar Vallabhbhai Patel didn't allow his plans to succeed.
The BJP had cited a book by Vallabhbhai Patel's daughter to double down on Singh's claims, and said the first prime minister also said he felt "repelled" by some of the temples in south India despite their beauty.
“The source of what Rajnath Singh said is the 'Inside Story of Sardar Patel, Diary of Maniben Patel'," BJP Rajya Sabha MP and national spokesperson Sudhanshu Trivedi had said at a press conference at the party headquarters while responding to media queries on the issue.
Trivedi claimed that on Page 24 of the book, it is written that Nehru also raised the question of the Babri mosque, but Sardar Patel made it clear that the government could not spend any money on building a mosque.
