Ancient star with five Earth size planets discovered by astronomers

Astronomers have discovered a star that is 11.2 billion years old and has at least five Earth-size planets.

It was discovered by team of astronomer’s after analyzing data from NASA’s planet-hunting Kepler spacecraft for over four years.

Key findings

  • This star is named as Kepler-444. It is 25 percent smaller than our Sun and is 117 light years from Earth.
  • It belongs to the first generation of stars and considered as part of one of the oldest systems in the galaxy.
  • This star has five known planets which have sizes that fall between Mercury and Venus.
  • These 5 planets are so close to their star that they complete their orbits in fewer than 10 days.
  • This discovery is going to help astronomers learn more about the history of our solar system- Milky Way.

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Categories: Science and Technology Current Affairs - 2017

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