History of Astronomy

123456789101112131415161718192021222324
Across
  1. 3. made discoveries of galaxies including Andromeda Nebula and has a telescope named after him
  2. 5. modern physicist who studies quantum mechanics and wrote the book A Brief History of Time
  3. 8. Tycho Brahe’s assistant and calculated three laws of planetary motion
  4. 10. Greek astronomer that used the sun to measure the size of the round Earth
  5. 13. famous for his worm on forces, specifically gravity
  6. 14. Greek astronomer that made the first catalogue of the stars, mapping over 850 stars
  7. 16. Greek philosopher that created the first model that put the Earth at the center
  8. 19. discovered the four main moons of Jupiter and helped invent the first telescope
  9. 20. started the SETI program and created the original TV series Cosmos in the 1980s
  10. 21. discovered the theory of supernova and dark matter
  11. 22. created the first astronomical catalog in 1771 that contained 110 objects
  12. 23. discovered a huge spherical cloud of icy comets named after him
  13. 24. discovered the largest asteroid Ceres
Down
  1. 1. provided an explanation for Saturn’s rings and discovered its moon, Titan
  2. 2. Danish astronomer who used mathematical equations to figure out the distance to the planets
  3. 4. discovered the orbit of a comet that could be seen from earth every 76 years
  4. 6. proposed the first model of the universe that put the sun at the center
  5. 7. discovered infrared radiation and the planet Uranus
  6. 9. discovered Trans-Neptunian Objects (TNOs) also known as dwarf planets
  7. 11. discovered Pluto and the Kuiper belt in the 1930s
  8. 12. woman who discovered pulsars which emit a bean of electromagnetic radiation
  9. 15. Revised the geocentric model of the universe to include epicycles
  10. 17. Belgian Catholic priest who is credited with developing the Big Bang Theory
  11. 18. discovered 4 moons of Saturn: Lapetus, Dione, Rhea and Tethys