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21 Cards in this Set
- Front
- Back
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Solstice
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Days in the year with sunlight hour extremes.
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Equinox
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Days in the year with equal hours of sunlight and darkness
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Geocentric Model
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Earth is the center of the universe and all the other celestial objects around the earth
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Heliocentric Model
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Sun is the center of our solar system and all other stars have objects circling/rotating around them
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Elliptical Orbit
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The earth travels on an oval path around the sun
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Radio Telescope
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used to gather and focus energy and waves from space that are invisible
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Electromagnetic Radiation
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Objects in space, such as stars and galaxies emit other forms of energy
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Wavelength
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the distance from one wave peak to the next
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Frequency
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The number of wave peaks per second
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Black Hole
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A remnant of a star, something that pulls in everything.
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Star
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A glowing ball of burning gases
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Asteroid
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Small rocky or metallic body travelling through space
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Meteroid
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A small rocky object that is smaller than an asteroid and not in a particular orbit
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Meteor
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A meteroid that has passed into a planets orbit
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Meteorite
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A meteor that is large enough to pass all the way through the atmosphere and collide with the surface
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Comets
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Balls of Ice and Dust that travel in extremely elliptical orbits around stars
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Interferometry
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Procedure for using multiple linked telescopes to improve resolution
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Satellite
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An object that orbits a planet or a dwarf planet
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Geosynchronous Orbiting
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Satellites that stay in one location above the planet
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Polar Orbiting
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Satellites that travel from North to South and back again
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Parallax
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The shift in the position of an object to different locations of observation
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