New Solar System

Exoplanet Discovery at TRAPPIST-1 Celebrated in google doodle

What is Exoplanet

An exoplanet is a planet outside our solar system, usually orbiting another star. They are also sometimes called “extrasolar planets”, “extra-” implying that they are outside of our solar system.

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An extrasolar planet, or exoplanet, is the name given to any planet which orbits a star other than our Sun.

Exoplanets come in a variety of sizes and orbits. Many are Jupiter-like gas giants which are close to their parent star, while others are icy, desolate worlds further out.

The first exoplanet was discovered in 1995 by ’s Kepler Space Telescope.

Since then more than 3,300 have been found, with thousands more awaiting confirmation.

So far, scientists have only explored a tiny portion of the Milky Way for exoplanets.

It is estimated that there is on average at least one planet orbiting every star in the galaxy, many of which are in Earth’s size range.

TRAPPIST-1

 

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