Science Vocab 4
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path an object in space fallows as it revolves around another object
million or billions of stars held together in a group by their own gravity
space and all the matter and energy in it
energy that travels across distances as certain types of waves
radiation from a source separated into a range of wavelengths; the range of colors that appear in a beam of visible light
the distance between one peak and the next peak in a wave
type of telescope that has a curved metal surface, called a dish, that gathers radio waves and focuses them onto an antenna
type of telescope that has a curved mirror that gathers light and reflects the image off a second mirror to the eyepiece
type of telescope that has an objective lens that gathers light and focuses it to the end of the tube where the eyepiece is located
the sun and its family of orbiting planets, moons, and other objects
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