Portal:Astronomy/Did you know/1


 * ... that 12th-century Muslim scientist Al-Khazini, who proposed a theory of gravitation long before Isaac Newton, was, in his early life, a slave of the Seljuq Turks?
 * ... that Kepler-47c is a circumbinary planet orbiting in the habitable zone of Kepler-47, a binary star system?
 * ... that two high school students used the automated telescope at Leuschner Observatory to record the earliest images of supernova SN 1994I?
 * ... that the Kuiper crater in the Kuiper quadrangle, named after Dutch American astronomer Gerard Kuiper, has the highest albedo recorded on Mercury?
 * ...that Mt. Olympus Mons on Mars is the highest peak in the solar system?