Recently a planetary system was discovered with some exoplanets close to Earth that may have oceans of water and possibly be habitable. They are only 35 light years away from here on earth, it may seem like a lot but at astronomical distance, it is not.
This system of exoplanets that may have water and are close to Earth and possibly habitable is called L 98-59. Its discovery took place in 2019 and it was discovered by the TESS space telescope, which has already found more than 2,000 possible exoplanets.
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How Did They Discover That These Exoplanets Can Have Water?
At first, I'll start by saying who made this possible discovery, it was a team of astronomers at ESO's Very Large Telescope in Chile. And we know that in a planetary system there is also a star, as with our solar system, there are even systems with two, three stars.
O L 98-59 it has only one star and is a red dwarf which is nevertheless very similar to our sun. Astronomers studying this star found in the first studies only three planets in its orbit, they used the transit method.
After using another more advanced method, some small oscillations were discovered and the "fleas behind the ear" began to appear. And as a result, they discovered evidence that there were actually not just three exoplanets there and that they had some “hidden” ones.
Which Of These Exoplanets Might Really Be Habitable?
We know that at the beginning only 3 exoplanets were discovered and after a while it was discovered that there are a couple more there. However, it seems that only the first three exoplanets discovered can have water, as they are the closest to their star.
Remembering that the two closest to the star may have small water, the third may be the one with the most water. According to some studies, this third planet may have up to 30% of its mass in water.
What Are Exoplanets?
We already know that some exoplanets were recently discovered that are close to Earth, may have water and maybe be habitable. However, many people still don't know what exoplanets are and I will explain to you now, are they the same thing as planets?
Actually exoplanets and planets are basically the same thing, but there is something that differentiates one from the other, do you know what it is? Planets are the ones that orbit our solar system, such as Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
As you may be imagining, exoplanets are those planets that are orbiting a star other than our sun. That is, any planet that is discovered outside the solar system is actually an exoplanet, but tell me, did you already know that?
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