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22 Cards in this Set
- Front
- Back
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sphere
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A sphere is a round solid figure
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axis
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And axis is an a imaginary line witch a body rotates on
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rotation
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It goes around and axis or a center
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revolution
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The over throw of the government
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Ellipse
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Earth's year long orbit around the sun
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solstice
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either of the two times in the year, the summer solstice and the winter solstice
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equinox
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twice a year when day and night are equal lengths
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moon phase
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A lunar phase or phase of the moon refers to the appearance of the illuminated portion of the Moon as seen by an observer, usually on Earth.
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new moon
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the phase of the moon when it is in conjunction with the sun and invisible from earth, or shortly thereafter when it appears as a slender crescent.
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waxing(moon)
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A lunar phase or phase of the moon refers to the appearance of the illuminated portion of the Moon as seen by an observer, usually on Earth.
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waning (moon)
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A lunar phase or phase of the moon refers to the appearance of the illuminated portion of the Moon as seen by an observer, usually on Earth.
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solar eclipse
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an eclipse in which the sun is obscured by the moon.
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lunar eclipse
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n eclipse in which the moon appears darkened as it passes into the earth's shadow.
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maria
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a dark region of considerable extent on the surface of the moon
valuable timber tree of Panama |
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electromagnetic spectrum
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he range of wavelengths or frequencies over which electromagnetic radiation extends.
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refracting telescope
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a telescope that uses a converging lens to collect light.
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reflecting telescope
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a telescope in which a mirror is used to collect and focus light.
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observatory
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a room or building housing an astronomical telescope or other scientific equipment for the study of natural phenomena.
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orbit
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the curved path of a celestial object or spacecraft around a star, planet, or moon, esp. a periodic elliptical revolution.
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radio telescope
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an instrument used to detect radio emissions from the sky, whether from natural celestial objects or from artificial satellites.
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satellite
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an artificial body placed in orbit around the earth or moon or another planet in order to collect information or for communication.
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space probe
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a blunt-ended surgical instrument used for exploring a wound or part of the body.
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