A spacecraft named for this person uses a photometer to measure the brightness of stars in the constellations Cygnus, Lyra, and Draco.
A spacecraft named for this person uses a photometer to measure the brightness of stars in the constellations Cygnus, Lyra, and Draco. This man described a model of the universe consisting of nested Platonic solids, one for each planet, in his ​Mysterium Cosmographicum. A spacecraft named for this person has used the "transit method" to discover over 1,000 (*) ​exoplanets since 2009. A set of postulates named for this man includes the "equal areas in equal time" law and the statement that orbits are ellipses with the sun at one focus. For 10 points, name this one-time assistant to Tycho Brahe, a German astronomer who proposed three laws of planetary motion.
A spacecraft named for this person uses a photometer to measure the brightness of stars in the constellations Cygnus, Lyra, and Draco.
Johannes Kepler​ [or Iohannes Keplerus​]