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Astronomy 1-
Question | Answer |
---|---|
constellations | patterns of stars in the sky |
electromagnetic radiation | energy that can travel directly through space in the form of waves |
visible light | light you can see with your eyes |
wavelength | the distance between the crest of one wave and the crest of another |
spectrum | the range of colors with different wavelengths |
refracting telescope | uses convex lenses to get large amounts of light into a smaller area |
convex lens | a piece of transparent glass, curved so that the middle is thicker than the sides |
reflecting telescope | a telescope that uses mirrors instead of convex lenses |
radio telescopes | a device used to detect radio waves from objects in space |
observatory | a building that contains one or more telescopes |
spectrograph | breaks light from an object into colors and photographs the resulting spectrum |