One of the most important recent discoveries in astronomy hasbeen our finding thousands of exoplanets, planets that orbit otherstars besides the Sun. When a massive planet orbits a star, it willcause a wobble in its motion affecting the ____________ we measureover time. When a bigger planet blocks the light of the star as it_______, that can tell us the size of the planet and its__________. A type of planet that we don’t have in the solarsystem, but turns out to be common elsewhere is one that has two toten times the mass of the planet we live on, called a______________. One of the most challenging categories ofexoplanets that we don’t have in our solar system is a type ofplanet with the mass of a giant planet in our system but orbitingvery close to its star, called a ______________.
