Across
- 3. Galileo first saw mountains on this.
- 4. Osiris-Rex was sent to this asteroid. It is currently bringing dust samples back to Earth.
- 9. He came up with the geocentric model of the universe that was believed around the world for over 1400 years.
- 10. A circle has an eccentricity with this value.
- 13. The best class at TMS this semester.
- 14. There are this many constellations in the sky. (2 words)
- 20. One piece of evidence that the Earth is a sphere is that we can see the Earth’s shadow on the Moon during a _____ _______. (2 words)
- 23. The belief that the motions of celestial objects can affect events in our daily lives.
- 24. The north star
- 25. Kepler’s first law states that the orbits of planets follow a path of this shape.
- 29. If The Sun-Earth-Mars were in a straight line in that order, Jupiter would be said to be at _______.
- 30. The shift in an object’s apparent position because of the observer’s motion.
- 31. Copernicus’s proposed this model for the universe was this kind of model.
- 34. The number of rovers that have been successfully sent to Mars.
- 38. The _____ _____ of the Moon changes for us on Earth as the Moon moves through different locations in its orbit.
- 41. The 7th planet from the Sun.
- 42. A grouping of stars in the sky.
- 43. Which of Kepler’s Laws says that as a planet orbits the Sun, it sweeps out equal areas in equal times?
- 44. The probe that has visited Pluto and is now in the Kuiper Belt.
Down
- 1. The way Galileo could tell that the Sun was rotating was that he could see these move along the surface of the Sun over the course of a few days.
- 2. The name of the two probes that have left the solar system and are now in interstellar space.
- 5. Galileo first saw rings around this planet.
- 6. When a planet appears to be moving in backwards from the usual direction that it slowly moves against the stars, it is said to be in this. (2 words)
- 7. Ptolemy believed that the planets traveled in circles which orbited the Earth. These circles (plural) were called this.
- 8. The _____ minutes of terror is how the process of landing something on Mars is typically described.
- 11. If The Sun-Venus-Earth were in a straight line in that order, Venus would be said to be at _______ Conjunction.
- 12. This planet has a greatest enlongation of 47 degrees.
- 15. The time it takes for one complete orbit around the Sun is a planet’s ____ _____. (2 words)
- 16. The path that the Sun and planets seem to follow along the celestial sphere.
- 17. The Sun sets each day in this direction.
- 18. Without a telescope, this astronomer took the most accurate measurements of the positions of the planets that had ever been performed. These measurements later helped Kepler come up with his 3 laws of planetary motion.
- 19. The Cassini probe was sent to this planet and eventually was intentionally burned up in the atmosphere.
- 21. If Jupiter-Sun-Earth were in a straight line in that order, Jupiter would be said to be at _______.
- 22. Bill Nye told us about the Golden _____ that was sent as part of the Voyager probes to let possible extraterrestrial life know about us.
- 26. The probe that was sent to Jupiter that is still functioning today.
- 27. Uranus is an example of a ______ planet.
- 28. The closest planet to the Sun.
- 32. The stars that can be at zenith to people on the equator are said to lie on this. (2 words)
- 33. The queen of life science.
- 35. Planets rise each day in the sky from this direction.
- 36. When the angle between the Sun-Earth line and the Earth-Planet line are at right angles to each other, the planet is said to be at this.
- 37. The third closest planet from the Sun
- 39. This country send many Venera probes to Venus.
- 40. He was the first person to see moons on Jupiter.