Astronomy 2

2. A huge group of single stars, star systems, star clusters, dust, and gas bound together by gravity.
5. The larger and lighter part of a shadow that surrounds the darkest part.
6. The tide with the greatest difference between consecutive low and high tides.
7. When an object in space comes between the sun and a third object, the object will cast a shadow on the third object.
8. A galaxy that does not have a regular shape.
10. An enormously bright, distant galaxy with a giant black hole at its center.
11. The rise and fall of ocean water that occurs every 12.5 hours or so.

1. A galaxy shaped like a round or flattened ball, generally containing only old stars.
3. The different shapes of the moon you see from Earth.
4. Tide with the least difference between consecutive low and high tides.
6. A galaxy with a bulge in the middle and arms that spiral outward in a pinwheel pattern.
9. The darkest park of a shadow.