NASA, Mars is the countdown to the Mars opening of the InSight investigation, something that will happen next Monday. The probe cost $ 993 million, and it can first listen to earthquakes and explore the inner workings of another rocky planet.
The unmanned spacecraft was launched about seven months ago and has traveled 482 million kilometers.
Part of his mission is to convey the knowledge of NASA to send the human planets, something they hope to achieve in the 2030s, on the red planet one day.
The inversion of the probe in Mars has since 2012, when NASA's Curiosity explorer surfaced and the rocks were on the earth right next to the Earth and were now analyzed for cold and dry life signs. .
InSight has to dodge the difficult entry into the red planet's atmosphere: it is now moving at a speed of 19,800 kilometers per hour, and once inside, it has to fall at just 8 kilometers per hour.
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The entry, landing and landing phase will begin on Monday at 17:47 (local time). NASA objected to this stage as "a fear of six and a half minutes".
From the 43 missions made to Mars, only 18 reached the red planet, a success rate of about 40% and all came from the US.
Olan It's very, very difficult to go to Mars, Thomas said Thomas Zurbuchen, NASA's Director of Scientific Affairs.
The name InSight is transformed into "inner discovery", referring to seismic research, geodesy and heat transfer.
With full fuel load, InSight weighs almost 360 kg, which is almost the same as a Harley Davidson motorcycle. If you deploy your solar panels, you can measure almost 6 meters.
The central instrument is an earthquake detected sismometer made by the French Space Agency (CNES).
"This is the only NASA task designed around a foreign-made instrument," CNES president Jean-Yves Le Gall told AFP.
39 It's a fundamental task for both the United States and France, Bu he said.
The six seismic sensors on the ship are so sensitive that their smallest jolts in Mars, the weak pull of the Phobos bear, the effects of the meteorites, and possibly the evidence of volcanic activity.
The ship also has a self-drilling probe that allows the excavation to a depth of 3 to 5 meters and enables the first accurate measurement of the underground temperatures in Mars. internal.
The InSight landing will be buffered by a parachute that will reduce the speed of the unmanned spacecraft to 19,800 km / h. The thermal shield will protect the ship from slowing down and friction that will allow it to enter the atmosphere of the red planet.
The landing site will be in a flat area called Elysium Planitia, which NASA describes as the "largest parking spot in Mars."
The US space agency will know in a few minutes whether the landing has been successful, but will have to wait more than five hours to verify that the unmanned spacecraft can deploy equipment without any disturbance.
They'il look for signs of life on the red planet.
A NASA spacecraft, which will begin in 2020, will analyze the cliffs of an ancient lake and a delta, and report whether or not there is life in Mars on whether there are two geographical features that can preserve the signs of old organisms. American space agency.
Experts will land in a 45-kilometer-wide crater, the home of a river, so experts could preserve the signs of organic molecules and microbes.