Russia's Luna25 suffers technical glitch, moon landing likely to get delayed

 


According to the latest news reports, the Luna25 spacecraft has overcome the technical glitch and is still on track to land on the moon’s south pole on Monday.  It was said that the problem was caused by a faulty sensor and that it was resolved by switching to a backup system.




An emergency situation occurred while changing the pre-landing orbit.  The spacecraft could not change the orbit properly.  The command and control team of the Russian Space Agency is analyzing the situation.  Luna is to land on the South Pole of the Moon on 21 August.



 The Luna-25 spacecraft will land near the Boguslavsky Crater on the South Pole of the Moon on August 21.  



 The Russian space agency Roscosmos reported that according to Luna-25's flight program, the spacecraft was commanded to enter a pre-landing orbit (18 Km x 100 Km).  This command was given at 04:30 pm Indian time on Saturday.  During this, an emergency condition was created on Luna as the spacecraft could not fire the thruster as per the prescribed parameters.


 The Luna-25 spacecraft was launched on August 11 from the Vostoni Cosmodrome via a Soyuz 2.1B rocket.  Luna-25 was sent from Earth's orbit to the Moon on the same day.  The spacecraft reached the 100 km orbit of the moon on August 16 at 2:27 pm.  Now it is not clear whether it will be able to land on August 21 or not.



 Russia has sent its mission to the moon after 47 years.  Earlier in 1976, it had sent the Luna-24 mission.  Luna-24 had safely returned to Earth with about 170 grams of lunar dust.  All the moon missions that have happened so far have reached the moon's equator, this will be the first time that a mission will land on the south pole of the moon.

 

 India's space agency ISRO launched the Chandrayaan-3 mission on 14 July 2023.  Less fuel is used and the vehicle reaches the moon at less cost, so it has used the Earth's gravity.  Fuel is saved in this process, but it takes more time.  That's why Chandrayaan is taking more time to reach the moon.


 Luna-25 will land near the Boguslavsky Crater of the Moon.  Its coordinates are 72.9˚S and 43.2˚E.  While Chandrayaan will land near Manzinus U Crater.  Its coordinates are 69.36˚S and 32.34˚E.  The distance between these two craters is more than 100 km.  Sunlight will also reach Luna's landing site before Chandrayaan's landing site.



 Russia's Luna-25 mission is part of its program to build a fully automated base on the moon.  Roscosmos head Yuri Borisov told that three more missions of Luna will be launched in 2027, 2028 and 2030.  After this Russia will enter the next phase with China.  In this phase, they will send a manned mission to the moon and also make a lunar base.

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