⏰ when

When was the first dedicated exoplanet-hunting space telescope launched?

SpaceExoplanets

Quick Answer

Kepler launched on 7 March 2009. It was designed to find planets around other stars by watching for tiny dips in starlight.

The Full Story

NASA’s Kepler space telescope launched on 7 March 2009. It was built to search for exoplanets using the transit method, detecting the slight dimming of a star when a planet passes in front of it. Kepler revolutionized astronomy by finding thousands of candidate exoplanets and showing that planets are common in the Milky Way. Its data changed estimates of how many potentially Earth-like worlds may exist.

Key Facts

1.Launch date: 7 March 2009
2.Designed for exoplanet hunting
3.Transit method

YouTube Angle

Suggested video title for this topic:

"One telescope turned exoplanets from rare curiosities into a galaxy-wide reality."