Space Planet Exoplanet Planets outside of the Solar System Not orbiting the Sun Difficult to find due to the brilliant glare of the stars they orbit Indirect observation is best for detection Thousands of exoplanets have been catalogued Most are far more massive or larger in size than Earth Smaller planets are simply harder to detect Smaller planets are actually more common than larger planets Detection Techniques Doppler spectroscopy Transit Method Exoplanet Discovery Missions James Webb Space Telescope TESS Kepler Space Telescope HETE-2