Summary:
- NASA has discovered over 6,000 exoplanets, which are planets orbiting stars outside our solar system. This is a significant milestone in the search for habitable worlds beyond Earth.
- Some of these exoplanets are quite strange, with characteristics that defy our expectations. For example, there are "super-Earths" that are much larger than our planet, and "hot Jupiters" that are gas giants orbiting very close to their host stars.
- The discovery of these diverse exoplanets helps scientists better understand the formation and evolution of planetary systems, and increases the chances of finding Earth-like planets that could potentially support life.