What is an exoplanet?

An exoplanet is the name given to a planet outside of our solar system.

The clue is the word 'exo' which means 'out of' or 'giving out' from the latin.

Thus an exoplanet is one that is not one of the familiar planets we know and have named from our solar system.

Until recently no exoplanets were known but with current technology and techniques more and more are being discovered.

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