A Smallest Planet in Our Solar System

Newly discovered found a smallest planet in our solar system. This planet called Kepler-37b. The radius of this planet is less than third the size of Earth’s. Kepler-37b is “significantly smaller” than Mercury, which has officially been the smallest planet in our solar system since Pluto was demoted to a “dwarf planet” by the International Astronomical Union in 2006.

Kepler-37b is the inner-most of three planets detected orbiting a star called Kepler-37, located about 210 light years away from Earth in the constellation Lyra. The star is look like sun, but smaller and cooler than sun. Kepler-37b thought as a rocky with no atmosphere same like Mercury. Its surface is estimated to be a scorching 400 C because this planet is too close to its star.

The two other planets in the system are Kepler-37c, which has a radius about 70 per cent the size of Earth’s, and Kepler-37d, which has a radius about double that of the Earth’s. If you want to know more about this planet, you can visit this website. Its tell specific about Kepler-37b.


By : Dessy Oktavia