The discovery of a potentially habitable planet 100 light years from Earth, where there is a 3,158-year life expectancy on average, has caught the attention of scientists.

Two planets were discovered orbiting the star TOI-4306 by an international team of scientists, led by astrophysicist Laetitia Delrez.

TOI-4306 is about half as hot as our sun and 6.5 times smaller.

The first planet is called LP 890-9b or TOI-4306b. The planet is about 30% bigger than Earth and completes its orbit in just 2.7 days.

Earth's average life expectancy is 73.5 years. In this case, TOI-4306b would have an average life expectancy of 9,943, as its orbit is very short, making it have a shorter year.

It was initially discovered by NASA's Transiting Exoplanet Survey Satellite (TESS). TESS is a space mission that searches for exoplanets orbiting nearby stars. The term "exoplanet" refers to worlds outside of our solar system.

The researchers at the University of Liège used their ground-based SPECULOOS (Search for habitable Planets EClipsing ULtra-cOOl Stars) telescopes to confirm and characterise this planet.

Francisco J. Pozuelos, one of the scientists said, “This is because the star LP 890-9 is about 6.5 times smaller than the sun and has a surface temperature half that of our star. This explains why LP 890-9c, despite being much closer to its star than the Earth is to the sun, could still have conditions that are suitable for life."

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