ray - A line that light travels in., orbit - Movement of a body in space around a larger body, asteroid - A rocky mass that orbits the Sun, proof - Science evidence that something is true, reflect - The action of light bouncing off the surface, absorb - to take in the substance, comet - A lump of ice, dirt and rocks that moves around the Sun in a big orbit, Jupiter - Nearly all of asteroids are in the asteroid belt between Mars and...,

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