Across
- 3. The unit typically used for measuring large distances in space (i.e. the distance between galaxies or stars) is the _____________
- 5. A lunar eclipse (when the Earth blocks the Sun’s light from reaching the Moon) only happens during the _____________ phase of the Moon.
- 6. Planets that appear to move backwards in the sky due to a trick of perspective are said to be going through ___________ motion
- 7. Which one of these corresponds to the East-West direction?
- 8. A star’s brightness as seen from Earth is called its ___________ magnitude
- 11. which one of these corresponds to the North-South direction?
- 13. If the Earth’s orbit was completely circular, the analemma would appear to be ____________
Down
- 1. A solar eclipse (when the Moon blocks the Sun’s light from reaching Earth) only happens during the _____________ phase of the Moon.
- 2. If you take a picture of the sky at the same time every day throughout the year you would get a shape that looks like a figure eight. This is called an _________
- 4. If you change latitude but stay in the same hemisphere, the analemma would appear to be ___________
- 5. If the Earth wasn’t tilted, the analemma would appear to be a(n) ____ ____
- 8. The average distance from the Earth to the Sun is called a(n) _______________
- 9. A star’s brightness as seen from a fixed distance (33 light years) is known as the ___________ magnitude. This is how we compare stars directly to each other
- 10. If you go to the southern hemisphere of the Earth, the analemma would _________
- 12. The line that the sun follows across the constellations throughout the year is called the _________