They discover a world bigger than the earth

Hallan un mundo más grande que la Tierra

Most of the extraterrestrials on our planet are still unknown. Despite that New discoveries in the field, there are still millions of angles that have not been explored In space. Thus, in the constant search for spatial knowledge, a group of researchers Canary Islands Astrophysics Institute (IAC) Found one The world is bigger and bigger than the earth.

This is Super Earth The red dwarf star GJ740 is 36 light-years away from orbit. According to the first studies conducted, this exoplanet was named after its star a In a period of 2.4 days, its mass will be three times that of the Earth. “We face this planet The second shortest period of orbit around such a star. The mass and orbital period of this planet are indicated by a The rock structure and the rotational distance of 1.4 are estimated“, Describes Borja Toledo Padron, lead author of the published study Astronomy and astronomy.

The data also indicate the presence of A The second planet, GJ740, orbits the star for 9 years and is similar to Saturn (This is a hundred times the size of the earth). However, it may be the result of your speed signal The magnetic field of a starTherefore, even more data is needed to confirm that the signal is clearly due to a planet. The researchers point out that these will continue to be studied Super Earths with data obtained by TESS satellite, From NASA’s Explorer program.

Looking for more exoplanets

Recently, various studies have been conducted to find new exoplanets in the orbits of red dwarfs. These are known The surface temperature of cold stars is between 2,400 and 3,700 (2,000 degrees colder than the Sun), while mass Between 0.08 and 0.45 of the solar mass.

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Thus, the Kepler mission was able to find the total There are 156 new planets around these cool stars. “The search for new exoplanets around cold stars is driven by the smallest difference between Planetary mass and stellar mass compared to stars in other spectral classes“, Borja Toledo explains. These are considered to be such stars Host on average 2.5 planets With an orbital period of less than 200 days.

In the year 1998 The first radial velocity signal of an exoplanet is found around a cold star; After that, the total 116 exoplanets around such stars Using radial speed technology.

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