Across
- 5. eclipse occurs when the moon passes between Earth and the sun at a time when the moon is at or close to its farthest point from our planet.
- 6. an imaginary line around the middle of a planet or other celestial body
- 7. measures the distance north or south of the equator
- 9. a "nearly" equal amount of daylight and darkness at all latitudes.
- 10. the point in the orbit of an object (such as a satellite) orbiting the earth that is at the greatest distance from the center of the earth
- 12. that part of a shadow in which all light from a given source is excluded.
- 14. the angle a planet's rotation axis makes with the plane of its orbit
- 15. the point in the orbit of a planet, asteroid, or comet at which it is furthest from the sun.
- 16. half of a spherical or roughly spherical body (such as a planet)
- 17. is the closest distance from the Sun.
- 18. unctionally impaired tissue can survive and recover if sufficient reperfusion is re-established within a limited time period, which depends on the level of residual flow.
Down
- 1. the object's orbital motion around another object
- 2. eclipse A lunar eclipse is an astronomical event that occurs when the Moon moves into the Earth's shadow, causing the Moon to be darkened
- 3. The point of the orbit closest to Earth is called perigee,
- 4. eclipse A solar eclipse occurs when the Moon passes between Earth and the Sun, thereby obscuring the view of the Sun from a small part of the Earth, totally or partially.
- 8. the moment or duration of total obscuration of the sun or moon during an eclipse
- 11. an object's spinning motion about its own axis
- 13. the point where the Sun appears to reach either its highest or lowest point in the sky for the year