The three planets are among the smallest and closest exoplanets found to date, according to astronomers.
A"super-Earth" and two other exoplanets have been discovered by NASA's Transiting Exoplanet Survey Satellite orbiting a star that's located just 73 light years from our planet.
To find two of these intermediate size planets together is significant for astronomers because worlds like this provide the"missing link" when it comes to understanding planetary formation. In fact, no intermediate-sized planets exist in our solar system. The researchers say that the planet furthest away also lies in the so-called"temperate zone" which mean that the upper portions of its atmosphere may be at just the right temperature to support some forms of life. The surface itself is likely far too hot to support life, due to the extremely thick atmosphere which traps heat.
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