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Tuesday, November 24, 2020

Scientists finds dozens of planets that are sustainable for life

Did you know that there are dozens of planets outside the solar system which might be suitable for life, other than Earth?

Scientists came up with research where they have found 24 Super-habitable planets that support suitable habitation for the growth and development of life.

These planets are a little warmer, a little wetter, a little older, and a little larger than the Earth, as mentioned in the research study Astrobiology by a team of scientists led by Dirk Schulze-Makuch of Washington State University.

What are these exoplanets?

Astronomy scientists have discovered over 4,500 exoplanets outside the solar system. Among them, 24 planets showed little evidence that proved its confirmation in supporting life systems, though there has been no indication of life.

These planets are far away from the solar systems, and they are 100 light-years away from the Earth. Scientists have classified into two groups, G-stars and K-stars.

G-stars have a lifespan of fewer than 10 billion years. Whereas, the K-stars have 20-70 billion years because they are cooler and dwarf in shape in comparison to the G-stars.

How are these planets suitable for life?

A larger size of the planet means more space for landmass, and will be able to maintain its internal heating with the help of magnetic fields, a tendency of higher gravity that will provide a thicker atmosphere that will be advantageous for the species that can fly.

These planets are warmer than Earth that would be more habitable as there would be no desolate polar regions, but also they are wetter than Earth that means deserts will not dominate landmasses.

 The scope of thriving life systems

 The scope of the life system depends on the star these planet orbits. Earth is 4.5 billion years old, and it orbits around the Sun that has a lifespan of fewer than 10 billion years.

Thus, according to the researchers, the better scope of the lifespan of living organisms will be in the planets that are 5 to 8 billion years old and orbits on revolving stars with a lifespan longer than Sun.

The scientists also mentioned that, among those 24 planets, one planet has shown maximum shreds of evidence to support different life systems.

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