Suara.com – For scientist believe that Mars ancient reservoirs hold water like Earth. However, the condition of the Red Planet is currently very arid.
Recent research, a team of experts say that perhaps Mars is too small to accommodate life.
Some popular theories suggest that periods of volcanic activity shifted Mars’ climate, making the planet arid as it is today.
Another theory is that the lack of a strong magnetic field on Mars causes all the water on the Red Planet to evaporate.
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The new study, published in the Proceedings of the National Academy of Sciences, suggests a more basic reason why Mars no longer holds water: it’s too small.
“There may be a threshold on the size requirements of rocky planets to retain enough water to allow for habitability and plate tectonics,” said Kun Wang, professor of planetary science at the University of Washington. CNET, Friday (24/9/2021).
The team of scientists studied the amount of potassium isotopes present in Martian meteorites, using the element as a sort of tracer for more volatile molecules, including water.
Experts found that during its formation, Mars lost more water and other volatiles than Earth.
The study emphasizes that there is a very limited size range for the planet, having enough water to develop a habitable surface environment.
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The results of this study can guide astronomers in the search for habitable exoplanets in other solar systems.
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