Exoplanets are planets that orbit around other stars. - FactzPedia

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Exoplanets are planets that orbit around other stars.

 

Exoplanets are planets that orbit around other stars. 





All of the planets in our solar system orbit around the Sun. But what about other solar systems?

In 2009, NASA launched a spacecraft called Kepler to look for exoplanets, and has discovered thousands since its launch.

By studying the time between transits, astronomers can also find out how far away the planet is from its star. This tells us something about the planet’s temperature. If a planet is just the right temperature, it could contain liquid water—an important ingredient for life.

So far, thousands of planets have been discovered by the Kepler mission. And more will be found by NASA's Transiting Exoplanet Survey Satellite (TESS) mission, which is observing the entire sky to locate planets orbiting the nearest and brightest stars.

We now know that exoplanets are very common in the universe. And future NASA missions have been planned to discover many more!

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