Gravity and Space Crossword Puzzle

QUESTIONS LIST: nebula : the cloud of dust and gas that the solar system came from, mass : the space a object takes up, proxima centauri : the closest star to the solar system besides the sun, sun : the object in the solar system with the largest gravitational pull, astronomical units : the measurement used for stuff inside the solar system, weight : the gravitational pull of an object, inertia : the force that balances out gravity, hubble : the first telescope in earth's orbit, light years : the way scientists measure large distances in space, issac newton : the person who discovered gravity.