How Are Exoplanets Found? The Methods Astronomers Use

How Are Exoplanets Found? The Methods Astronomers Use

Planets are far dimmer than the stars they orbit, so taking a normal photograph of an Earth-sized world next to a Sun-like star is extraordinarily difficult. Astronomers usually find exoplanets indirectly. They watch what a planet does to its star, or what the star does in response to the planet’s gravity. Those signals are small. […] The post How Do Astronomers Find Exoplanets When They Cannot See Most of Them? appeared first on Curiosmos.