Study finds Solar System consisting of Earth-sized planets

A recent study performed by a group of scientists from the Instituto de Astrofisica de Canarias (IAC) and the University of Oviedo at Spain brought to light two distinct Solar Systems.

One of the two planetary systems was identified to contain 3 planets having a size similar to that of our Earth.  According to the researchers involved in the study, this Solar System was found to be located at around one hundred sixty light years ahead of our Sun. All the three planets in the Solar System had their radii almost similar to that of our Earth with a mass near about 1.4, 0.9, and 1.3 respectively of the mass of the Earth.

These three celestial objects were noted to be orbiting around a star known as K2-239. The orbital periods of the movement of these planets around the red dwarf are 5.24, 7.78 and 10.1 days. The effective temperature of the star is measured to be near about three thousand four hundred fifty Kelvin. This calculated temperature is almost 1.5 times lower as compared to that of our Sun.

It is still not known if the atmospheric conditions of these planets would support life forms. As these planets were detected by the common exoplanet-detecting technique, their atmospheric conditions are not yet known. However, the preliminary data point out that these planets are extremely hot.

The other Solar System discovered by the researchers involved in the study is as amazing as the previous one. In this Solar System, the researchers detected two super-Earths orbiting around a star named as K2-240. These two super-Earths are estimated to be twice the size of our Earth. These planets reportedly feature a high temperature due to their proximity to their host red star.

The researchers have plans to closely scrutinize the atmospheric conditions and analyze the planets’ compositions in the upcoming years. These potential Earth-like planets would reportedly be examined through the James Webb Space Telescope that would be launched in the year 2020. According to the researchers, the physical attributes of these Earth-like planets could be determined by Spectroscopic observations through the ESPRESSO equipment, which is put up in the Very Large Telescope (VLT) at the European Southern Observatory (ESO).

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