How many exoplanets have been discovered?

NASA estimates that the Milky Way Galaxy is home to at least 100 billion planets. Others believe it could be anywhere from 200-300 billion. Using data from exoplanet-hunting missions such as Kepler, Gaia, and now James Webb, we can identify and confirm their existence. So, how many exoplanets have been discovered?

Astronomers believe to have found the first planet outside our galaxy

Astronomers have found convincing indications of what could be the first planet ever to be discovered outside the Milky Way Galaxy.

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