Distant planets have exactly the same conditions that led to the beginning of life on Earth

Kepler-452b, nicknamed "Earth 2.0", shares many characteristics with our planet despite being 1,400 light-years away. It was found by NASA's Kepler telescope in 2014

Launched in 2009, the Kepler telescope has helped in the search for planets outside the solar system.

The satellite usually looks for "Earth-like" planets, which means they are rocky and orbit within that orbit within the habitable zone or "Goldilocks" of a star.

If a planet is inside a habitable zone, it means that it is not too hot or too cold for water to form on the surface of the planet, one of the key conditions for life.

While the planet has encountered thousands of exoplanets during its eight-year mission, five in particular have excelled.

Kepler-452b, nicknamed "Earth 2.0", shares many characteristics with our planet despite being 1,400 light-years away. It was found by NASA's Kepler telescope in 2014

Kepler-452b, nicknamed "Earth 2.0", shares many characteristics with our planet despite being 1,400 light-years away. It was found by NASA's Kepler telescope in 2014

1) & # 39; Earth 2.0 & # 39;

In 2014, the telescope made one of its biggest discoveries when it saw the exoplanet Kepler-452b, dubbed & # 39; Earth 2.0 & # 39 ;.

The object shares many characteristics with our planet despite being 1,400 light-years away.

It has an orbit of similar size to Earth, receives approximately the same amount of sunlight and has the same duration of the year.

Experts are still not sure if the planet harbors life, but they say that if the plants were transferred there, they would probably survive.

2) The first planet that is in orbit around two stars

Kepler found a planet that orbits two stars, known as a binary star system, in 2011.

The system, known as Kepler-16b, is about 200 light years from Earth.

Experts compared the system with the famous & # 39; double sunset & # 39; represented on Luke Skywalker's home planet, Tatooine, in & Star Wars: A New Hope & # 39;

The Star Trappist-1 (artist's impression) system, which houses a record of seven Earth-like planets, was one of the biggest discoveries of 2017. Kepler detected the system in 2016, but the scientists revealed the finding in a series of documents published in February this year

The Star Trappist-1 (artist's impression) system, which houses a record of seven Earth-like planets, was one of the biggest discoveries of 2017. Kepler detected the system in 2016, but the scientists revealed the finding in a series of documents published in February this year

The Star Trappist-1 (artist's impression) system, which houses a record of seven Earth-like planets, was one of the biggest discoveries of 2017. Kepler detected the system in 2016, but the scientists revealed the finding in a series of documents published in February this year

3) Find the first habitable planet outside the solar system

Scientists found Kepler-22b in 2011, the first habitable planet found by astronomers outside the solar system.

The habitable super-Earth appears to be a large rocky planet with a surface temperature of about 72 ° F (22 ° C), similar to a spring day on Earth.

4) Discovering a & # 39; super-Earth & # 39;

The telescope found its first & # 39; super-Earth & # 39; in April of 2017, a huge planet called LHS 1140b.

Orbit a red dwarf star about 40 million light-years away, and scientists believe it contains giant oceans of magma.

5) Find the stellar system & # 39; Trappist-1 & # 39;

The Trappist-1 star system, which houses a record of seven Earth-like planets, was one of the biggest discoveries of 2017.

Each of the planets, which orbit around a dwarf star only 39 million light years away, probably contains water on its surface.

Three of the planets have such good conditions that scientists say that life may already have evolved in them.

Kepler detected the system in 2016, but the scientists revealed the discovery in a series of documents published in February this year.

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