Planetary Crossword
This printable crossword puzzle on the topic of Astronomy & Space has 10 clues. Answers range from 5 to 13 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.
Description
the distance above Earth’s surface
a small, rocky object that orbits the Sun
a theory that one explosion created the universe
a chunk of ice, dust, and rock material a few kilometers in size
an enormous collection of tens of millions to hundreds of billions of stars, interstellar gas, and dust
the crash between one object (impactor) and another object
a piece of a meteoroid that hits the ground
the path one object takes to travel around another object
a region of space occupied by a system of objects orbiting a star, such as the Sun and all things orbiting it
the sum total of all things that can be observed or detected
