Curiosity Corner | Jan-April 2026

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On the Soil of Mars
A Mysterious Rock









Pulakranjan Chakraborty

West Medinipur, West Bengal. INDIA


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NASA has discovered a new kind of mysterious rock on the surface of Mars.

The American space research agency has stated that after more than four years of operation, the camera of the Perseverance rover on Mars has recently captured images of a rock that does not match Mars’s known geological environment at all. This rock, with its unknown shape and structure, has sparked great curiosity in the scientific community.

NASA scientists believe that this rock, rich in iron and nickel, reached the surface of Mars at some point from another location in space.

Perseverance Rover

In February 2021, NASA’s autonomous robotic vehicle, the Perseverance rover, first set foot on Martian soil. Since then, Perseverance has been exploring the planet’s paths, plains, rocky terrain, and ancient lake valleys in search of various mysteries. Even after so many years, the rover continues to prove that there is no end to the unknown secrets of the Red Planet. Following a new smart upgrade, Perseverance is now able to carry out multiple tasks simultaneously.

By analyzing data received from the rover’s advanced ChemCam instrument, scientists have been trying to understand what the environment of Mars was like in the past. Using ChemCam, they are measuring the elemental composition of Martian rocks. Some time ago, scientists reported finding higher-than-normal levels of manganese while analyzing rocks from Gale Crater on Mars. These rocks are believed to have been part of sediment-rich rivers. A research paper on this topic was published in the journal Geophysical Research: Planets.

The Perseverance rover is equipped with a “rock-zapping laser,” which enables the collection of samples and data related to Mars’s geology. This laser is also being used to examine the newly discovered rock.

For a long time, scientists have been curious about whether life ever existed on Mars, or whether it might be possible for living beings to inhabit the planet in the future. Over the past four years, the Perseverance rover has been assisting scientists by studying various rocks on the Martian surface.

Recently, the rover’s camera captured images of a new type of mysterious rock measuring approximately 31 inches in width. The rock was found in the Vernoden region of Jezero Crater on Mars. To examine the nature of this rock, Perseverance used the laser and spectrometer of its SuperCam instrument. Through this, scientists determined the chemical composition of the rock, including its iron and nickel content. The scientists have named this rock “Phipsaksla.”

Many believe that Phipsaksla is actually a meteorite that struck the surface of Mars at some point in the past. According to scientists’ observations, the iron and nickel composition is similar to that found in ordinary asteroids. In other words, its origin lies elsewhere in the solar system, and it is possibly a fragment of an asteroid.

Although nothing has been conclusively proven yet, scientists are not ruling out any possibilities at this stage.

 


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