Astronomy

2. A scientific instrument used to make far away objects appear nearer
6. The penumbra is the outer, partially shaded region of a shadow, surrounding the umbra.
9. A robotic vehicle that can travel after it’s landed.
10. An imaginary line extending through the north and south pole.
12. A natural or manmade object that orbits another object. Manmade Satellites gather data.
13. Illuminated portion of the moon is decreasing
14. Tides are the regular rise and fall of ocean water caused mainly by the Moon’s gravity pulling on Earth’s oceans.
15. The point where the moon is farthest from the Earth in its orbit.

1. When an object’s orbit makes a full circle around another object, it completes one full revolution.
3. The umbra is the darkest and central part of a shadow cast by an opaque object.
4. An imaginary line that stretches around the earth like a belt.
5. A half-sphere of the Earth
6. A computerized spacecraft that takes pictures and performs calculations about space
7. The spinning or twirling of an object in space
8. The point where the moon is closest to the Earth in its orbit.
11. Illuminated portion of the moon is increasing
12. A round 3D shape like a ball
16. To travel in a circle around another object