Across
- 1. who believed in a geocentric solar system, perfection of the heavens, circular orbits with epicycles.
- 3. Ptolemey first added these to his model of the solar system and planetary motion to accommodate for retrograde motion
- 5. who observed 'mountains' on the moon using his telescope
- 9. this moon phase rises at noon
- 12. what was the key piece of evidence for galileo that the solar system was heliocentric (3words)
- 13. Kepler's second law, the law of equal areas, can be summarized by saying a planet moves fastest in its orbit when it is at
- 14. who believed in a heliocentric solar system, elliptical orbits, and that the heavens weren't perfect.
- 16. the reason tycho believed in a geocentric solar system was because he believed heavily in the perfection of the heavens (true or false)
- 17. What occupation did galileo's daughter have
- 18. which moon phases (waxing or waning) are lit on the left hand side
- 21. this type of solar system means the earth is in the center
- 22. this historical figure was very eccentric, but also made incredible observations of the sky
- 23. Tycho brahe was an odd, rich fellow who had both a psychic dwarf and a drunk _______ as a pet.
- 25. this moon phase is highest in the sky at 3 am
- 26. who believed in a geocentric solar system, other planets had circular orbits around the sun, but the heavens weren't perfect
Down
- 2. this moon phase rises at midnight
- 4. this moon phase is highest in the sky at 3pm
- 6. (True or False) Galileo observed sunspots on the Sun
- 7. this type of solar system means the sun is in the center
- 8. One of the many reason's kepler had a hard time was because his mom went on trial for being a ________
- 10. the planets exhibit this type of motion in our sky, appearing to move backwards over the course of several days.
- 11. who believed in a heliocentric solar system, perfection of the heavens, circular orbits with epicycles
- 15. created three laws to better understand the solar system
- 19. When we looked at the moon phases we saw there were several different shaped moons. What are moons that are shaped like rugby balls (are more than half lit) called.
- 20. Copernicus believed that the solution to the lack of parallax seen by stars is that the stars were (3 words)
- 22. Copernicus included epicycles in his model of the solar system as a fudge factor for his observations (true or false)
- 24. Kepler's first law says that planets orbit in