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48 Cards in this Set
- Front
- Back
Asteroid
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often refered to as minor planets
Ceres is the largest |
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Asteroid belt
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Area between Mars and Jupiter in which most asteroids are found
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Binary star
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Two stars closely orbiting one another
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Blue shift
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motion induced shift in light wavelenth due to object moving closer to the observer
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Cassini Division
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Gap in Saturn's rings
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Chromosphere
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Sun's lower atmosphere
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Coma
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Head of comet
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Chromatic abberation
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Lens focuses different wavelengths of light differently causing blurs
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Corona
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Outer atmosphere of sun just above chromosphere
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Comet
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Composed of ice and dust; in elliptical orbit around sun
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Escape velocity
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Velocity needed to escape an objects gravitational pull
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First man in space
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Yuri Gagarin
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First American in orbit
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John Glenn
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First woman in space
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Valentina Tereshkova
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First American woman in space
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Sally Ride
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First Space walk
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Alexi Leonov
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First American space walk
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Ed White
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First 2 men on Moon
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Armstrong and Aldrin
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Geocentric model
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Earth is center of solar system
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Great Red Spot
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Giant storm on Jupiter
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Heliocentric model
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Sun at center of solar system (Copernicus founded)
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Meteorite
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Metreoid that lands on Earth's surface
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Oort Cloud
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Area that comets originate on the outer edge of the solar system
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Parsec
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3.3 Light Years
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Penumbra
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Shadow formed by a partial eclipse
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Precession
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Slow change in the direction of the axis of a spinning object
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Pulsar
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Object that emits radiation in the form of rapid pulses due to rapid rotation of the neutron star
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Quasar
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Starlike radio source (aka QSO - quasi stellar object)
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Rotation
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Spinning of a body around an axis
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Siderial day
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The time needed for a star on the celestial sphere to make one complete rotation in the sky
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Sirius
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Brightest star
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Solar Day
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Period of time from which the sun is directly over head until the next time the sun is directly overhead
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Sunspot
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Blemish on the sun's surface thats cooler than the surrounding areas
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Summer Solstice
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Point where the sun is at it's northernmost point above the equator
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Supernova
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Explosive death of a star
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Synchronous orbit
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State when period of rotation is exactly equal to orbital period. The moon is in synchronous orbit and thus presents the same face towards the earth at all times
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Tail
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Component of a comet that streams away from the main body, may be composed of dust or ionized gasses
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Terrestial planet
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Inner 4 planets: outer 5 planets called Jovian planets
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Umbra
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Shadow of total eclipse
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Van Allen belts
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Two doughnut shaped regions of magnetically trapped particles high above the Earth's atmosphere
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Mars's moons
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Phobos and Demios
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Jupiter's moons
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Io
Europa Ganymede Callisto more |
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Largest moon in solar system
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Ganymede
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Saturn's moons
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Titan Mimas
Enceladus Tethys Dione Rhea Iapetus more... |
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2nd largest moon in solar system
has atmosphere |
Titan
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Uranus's moons
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Miranda
Ariel Umbriel Titania Oberon More... |
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Neptune's moons
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Triton
Proteus more... |
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Pluto's moon
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Charon
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