My Crossword Maker Logo
Powered by BrightSprout
Save Status:
or to save your progress. The page will not refresh.
Controls:
SPACEBAR SWITCHES TYPING DIRECTION
Answer Key:
Edit a Copy:
Make Your Own:
Crossword Word Search Worksheet
Rate This Puzzle:
Log in or sign up to rate this puzzle.

Module 16 vocab

Across
A large ensemble of stars, all interacting through the gravitational force and orbiting around a common center
The amount of isotope necessary to sustain a chain reaction
The brightness of a star, corrected for distance, on a scale of -8 to +19. The smaller the number, the brighter the star.
The process by which a large nucleus is split into smaller nuclei
Down
The distance light could travel along a straight line in one year
The brightness of a star as seen in the night sky. The smaller the number, the brighter the star
The process by which two or more small nuclei fuse to make a bigger nucleus