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Astronomy The study of the universe.
Month Is roughly the amount of time required for the moon to orbit once around the Earth.
Day Is the time required for the Earth to rotate once on its axis.
Telescope An instrument that gathers electromagnetic radiation from objects in space and concentrates it for better observation.
Refracting telescope Telescopes that use lenses to gather and focus light from distant objects.
Reflecting telescope A telescope that uses a curve mirror to gather and focus light from a distant object.
Hubble Space Telescope Is a space telescope that Produces very clear images of objects in deep space.
Constellation A region of the sky that contains a recognizable star pattern and that is used to describe the location of objects in space.
Hemisspere Half of the Globe Norht/South East/West.
Light-year The distance that light travels in one year; about 9.46 trillion kilometers.
Created by: bnorman