Kepler 186f - Earth Twin

Kepler 186f - Earth Twin

April 21, 2014

This week it became known about the discovery of a planet that is similar in climate and structure to the Earth. It is slightly larger, somewhat colder, and is located in our galaxy at a distance of 500 light years from Earth. Its diameter is approximately 14,000 kilometers, which is only 10% larger than the Earth. This name Kepler 186f was named after the orbital telescope "Kepler", with which the planet was discovered.
Kepler 186f lies within the “Goldilocks zone” (life zone) of its star. And this means that on this planet there can be water in a liquid form - the basis for life.
It is difficult to explore Kepler 186f in more detail, since the mass is small, and the planet is too close to its star. To discover it is a great success.
Kepler 186f is in the constellation Cygnus in the Kepler system186.

1

The letter "f" denotes the order of the star, that is, it is 5 in a row. On four other planets, the temperature is too high for life. But the last, the fifth planet, has almost ideal conditions similar to Earth.

2

Researchers believe that Kepler 186f consists of iron, stone, ice, liquid water, but the relative amounts may differ from those of the earth.
One complete rotation around the star Kepler 186f does not do it in 365 days, like the Earth, but in 130 days. In addition, the outer edge of the habitable zone receives less heat, so perhaps this surface will freeze.
Due to the greater mass, Kepler 186f probably has a denser atmosphere. This makes it possible for the planet to absorb energy from its star more efficiently, avoiding freezing.
Astronomers cannot tell the exact age of a star, but dwarfs such as Kepler 186 are the longest-lived stars in the universe. If Kepler 186f is habitable, life could have appeared there billions of years ago.
However, such dwarfs are the most common types of stars in the galaxy. Astronomers hope that the Earth's twins are numerous, and that some of them are at close enough distance to determine the temperature, mass and composition of the atmosphere.

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  • Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin

    Kepler 186f - Earth Twin