Sun-Earth-Moon

3. long trails of ejecta
4. a telescope that uses lenses to bring visible light to a focus where an image can be seen by an observer
5. structures that resemble valleys regolith loose, ground up rock on the surface of the Moon
6. point in Moon’s orbit closest to Earth
7. material that blasted out of the Moon’s surface and fell back to the surface
9. Earth’s axis is perpendicular to the Sun’s rays and at noon the Sun is directly overhead at the equator
11. occurs when the Moon passes directly between the Sun and Earth
13. the process of linking several telescopes together so they can function as one telescope
14. crater that forms when an object from space crashes into an astronomical body
15. point in Moon’s orbit farthest from Earth

1. occurs when the Moon passes through Earth’s shadow
2. electromagnetic radiation aligned according to wavelength and frequency
3. a telescope that uses a mirror to gather and focus light from a distant object
8. the plane of Earth’s orbit
10. mountainous regions of the Moon
12. the Sun overhead is at its farthest distance