Astronomy Vocabulary Crossword Puzzle

QUESTIONS LIST:

• light year : distance light can travel in a year
• friction : result of 2 objects rubbing together causing a slowing down
• astronomical unit : unit used to measure distance in space
• astronomy : branch of science that focuses on the physical universe and beyond earths atmosphere
• wavelength : distance fro the top of one wave to the top of the next wave
• galaxy : organized system of millions or billions of stars, gas, solar systems, and dust that are held together by gravitational attraction
• eclipse : alignment of the sun, moon and earth
• gravity : a force of attraction existing between 2 masses
• black hole : star with more gravity than a neutron star
• satellite : a natural or artificial body orbiting a planet or star
• atmosphere : gaseous layer surrounding earth or another heavenly body
• constellation : a pattern of stars