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15 Cards in this Set
- Front
- Back
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Heliocentric model |
Suggested that the Sun was at the center in the earth and the other planets revolve in orbit around it |
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Geocentric model |
was made to explain planetary motion in the model he showed earth at the center surrounded by a series of concentric spheres that represented the path of the Sun Moon and five planets known at the time |
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Ellipse |
A circle that is forms around one focus the orbital paths of planets traveling around the Sun or ellipses |
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black hole |
is when the gravity is so strong that not even light from the radiation going on inside the remnant can escape |
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Constellations |
are groupings of stars we can see as patterns in the night sky |
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Gravity |
the force that attracts a body toward the center of the earth, or toward any other physical body having mass. For most purposes Newton's laws of gravit |
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Galaxy |
A galaxy is a grouping of millions or billions of stars |
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Solar system |
the collection of eight planets and their moons in orbit around the sun, together with smaller bodies in the form of asteroids, meteoroids, and comets. |
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Comets |
Groupings of dirt and is molded together with no particular path or orbit |
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Meteors |
When meteoroids gets pulled into Earth's atmosphere gravity and heat a friction causes it to give off light and that is known as a meteor |
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Astronomical unit |
The measuring from the distance of the moon to earth |
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Light year |
The measurement of light travels in a year |
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Hubble Space Telescope |
One of the largest most complex satellites ever built uses a series of mirrors to focus light from extremely distant objects |
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Spectrum |
a band of colors, as seen in a rainbow, produced by separation of the components of light by their different degrees of refraction according to wavelength. |
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Space junk |
Refers to all the pieces of the depris that have fallen off rocks, satellites, space shuttles, and space stations and remain floating in space |
