ISRO's Mars lander mission will use a rover to look for signs of life on the Red Planet Science News


ISRO is returning to the Red Planet with a rover. The mission will carry a Raman spectrometer, which uses laser beams to identify molecules. The instrument may be able to find signs of past or present life on the Red Planet.

Illustration of a rover on Mars. (Image credit: Bing Image Creator).

New Delhi: ISRO is returning to the red planet after the Mars Orbiter Mission or Mangalyaan, which has been orbiting Mars since 2014. Mars Lander Mission (MLM or Mangalyaan 2) will be the first ISRO mission to attempt to land on the Red Planet. ISRO will launch a Mars Relay Orbiter to assist in operating the rover on the surface. This relay orbiter will be launched by ISRO's workhorse rocket, Polar Satellite Launch Vehicle (PSLV).

Operations on the surface will be conducted by a rover, which will be launched by the Launch Vehicle Mark 3 (LVM-3), the largest and most powerful rocket in ISRO's fleet. A supersonic parachute will be used to reduce velocity before the landing attempt, with a sky crane used to deploy the rover. The technology is similar to the approach by which NASA brought down its two largest rovers, Curiosity and Opportunity, on Mars, using retrothrusters to precisely lower the rover.

Payload on Mars Lander Mission

There are several proposed payloads for the rover. These include a ground penetrating radar to investigate the Martian subsurface, a spectrometer for mineral mapping, a microscopic color imager to investigate surface morphology and soil characteristics, as well as stereo cameras to provide geological context and navigation. Are.

A dust analyzer will be used to characterize dust, along with equipment for radio budget monitoring. ISRO can also carry an in-situ resource utilization device, which can either process the regolith, or even use it for additive manufacturing. The Relay orbiter will be equipped with infrared cameras to observe the dynamics of the Martian atmosphere on a global scale.

One of the most interesting proposed payloads is the Raman spectrometer, which generates structural fingerprints of molecules, and is named after the physicist CV Raman who pioneered the technology. A laser beam is used to examine the samples, and the device can be used to identify biosignatures, or molecules associated with life forms.

Landing on Mars is easier than landing on the Moon

“Landing on Mars is easier than landing on the Moon because there is a thinner atmosphere, so you can use parachutes and other techniques,” Nilesh Desai, director of ISRO's Space Applications Centre, said during an interaction on National Technology Day. Can. But, going there for nine months and then getting down, this is the biggest challenge. It is going to be a very challenging mission.”


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