The Night Sky Crossword Puzzle

QUESTIONS LIST:

• moon : earth's only natural satellite.
• gravity : the force that holds stars in a galaxy together.
• eight minutes : the time it takes light to reach earth from the sun.
• light time : a measure of distance based on how far light travels.
• telescope : a tool used to observe the night sky
• large : andromeda is the nearest _ galaxy to the milky way.
• naked eye : how people used to observe the night sky before technology
• stars : a giant ball of hot gases that emits light and is found in galaxies
• satellite : a man-made object that orbits earth.
• exoplanet : a planet that orbits a star outside our solar system.
• light year : the distance light travels in one year.
• galaxy : a huge collection of stars held together by gravity.
• speed : the _ of light is 300 000 km/s.
• sun : the star at the center of our solar system.
• milky way : the galaxy that contains our solar system.