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| section of the sky that contain recognizable star patterns. |
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| is a unit of length equal to the distance that light travels through space in one year. |
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| actual brightness of a light |
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apparent shift of position |
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| graph showing the relationship between stars temperature |
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| diagonal pattern of stars |
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basically the death neutron star- star made of neutrons of a large |
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| objects more than three times the mass sun squeezed into a ball. |
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| are star seen at all times of the year and all times of the night |
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| a spectrum that shows all colors of light. |
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| an instrument used to break a stars light onto a spectrum |
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| lines that are made with certain wavelengths or color of light given off or emitted by hot gases. |
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| all space matter and contains space contents |
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| the study of all things beyond earth |
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| time required for the earth to revolve around the sun once |
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| roughly the amount of time required for the moon to revolve around the earth once |
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| time required for earth to rotate on axis once |
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| extra day added to calendar |
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| an instrument that collects light to see things in space |
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| lenses that gather and focus light |
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| curved mirros that gather light |
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| moade of wavelengths of electromagnetic radiation |
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| groups of stars that are located in spiral galaxies |
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| starlike sources of light that is extremely far away |
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| is the study of the origin, structure, and future of the universe |
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| universe began by a huge explosion |
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| greek astronomer took information from theories and then created his own theory |
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| Polish astronomer published a new theory that changed astronomy |
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| Danish astronomer used several large tools to study the sky |
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| Kept on studying Tychos work when he passed |
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| became the first person to use a telescope |
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| he bagan researching the galaxies |
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| abulge at the center with spiral arms |
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| galaxies that are spherical |
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| dont fit in the other classes |
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| many kinds of star clusters |
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