India, which reached around the moon a few days ago, is preparing to land on its surface on 23 August. To characterize the event, the probe obtained several snapshots of the surface. While these pictures are nothing short of impressive, they do remind us that India could become the fourth country to successfully land on the Moon before Europe.
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Twenty days after its launch, Chandrayaan-3 reaches orbit Chandrayaan-3 lunelune and entered it on 5 August. To celebrate the event, the probe sent us its first images of the lunar surface, although they are of no scientific interest.
The objective of this third lunar mission of India is to make people forget the failure of the previous mission. In September 2019, Chandrayaan-2, a small NomadNomadcrashed into a field located between craters on the surface of the Moon manzinus c at prime numbersabout 70 degrees latitudelatitude Sood.
Can India become the fourth country to land on the Moon?
India aspires to become the fourth country to land on the Moon after the former USSR, the United States and China, and thus overtake the Europeans. The Chandrayaan-3 probe aims to land on the South Pole of the Moon on August 23 at 12:17 pm. UTCUTC,
In order to avoid repetition of the previous failure, the reasons for which are known, the Indian Space Agency (ISROISRO) made several changes to the Chandrayaan-3 lander. It now weighs 1,752 kg (including collectivelycollectively of the rover), about 300 kg more than the mission Chandrayaan-2Chandrayaan-2, It is equipped with sturdier landing legs, larger solar panels and has five motors instead of four. In addition, it carries more fuel and is capable of landing VitseVitse more effect. His ComputerComputer The board is equipped with new piloting algorithms.
The 26 kg Pragyan rover will travel aboard the lander. A few days after reaching Mars, it will be set up on the Moon. It will reach the lunar surface as soon as it descends from the lander along the ramp. Equipped with six wheels, the rover will survey and send around the landing site, Via Vikram, photographs and soil analysis.
Unlike previous missions, Chandrayaan-3 does not have an orbiter, but a propulsion module. In fact, since the Chandrayaan-2 orbiter is still in working condition, ISRO will use it for its communication needs with Earth.
An ambitious mission to the South Pole
Vikram carries four scientific instruments to study the thermal properties of the lunar surface, measure changes in the local atmosphere yardyard and to measure the plasma over time as well as the seismic activity at the landing site crustcrust And this layerlayer underground. the fourth instrument is a catadioptrecatadioptre provided by NASANASA allowing telemetrytelemetry Laser. It will be used to verify distance measurements to the Moon still made by reflectors left on the Moon during the Apollo program.
As far as Pragyan rover is concerned, it has two rovers spectrometerspectrometer : a LIBS similar to those on board martian roversmartian rovers NASA (from Curiosity and Perseverance) focuses on detecting the chemical and mineralogical composition of the surface, as well as a second spectrometer to determine the elemental composition of the surface. magnesiummagnesiumD’aluminumaluminumOf siliconesiliconeof potassium, of calcium, of titaniumtitanium and of againagain,
The mission’s propulsion module contains a core instrument that will analyze the dark shadowthe dark shadow To generate data from Earth as if it were an exoplanet.