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87 Cards in this Set
- Front
- Back
the star with the greatest apparrent magnitude as seen from earth
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Sun
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loops added to geocentric thory to account for backward movement of the planets
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epicycle
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the study of earthquakes
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seismology
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subtle effects of scientists' likes and dislikes
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predjudice
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judgements that are made outside the realm of science
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moral
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a group of planets
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solar system
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crystal sphere
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deferent
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off centered circle
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eccentric
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sun's the center of the solar system
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heliocentric theory
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earth's the center of the solar system
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geocentric theory
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spinning on an axis
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rotation
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orbit around something
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revolution
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apparrent path
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ecliptic
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the force that pulls downward toward a large body
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gravity
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a telescope using a mirror
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reflecting
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a telescope using lenses
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refracting
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3 functions of a telescope
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gathering light, resolution, and magnifacation
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What affects a star's apparent magnitude?
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distance and brightness
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layers surrounding the earth
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Atmosphere
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the water on surface
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hydrosphere
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solid part of the earth
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litosphere
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space
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celestial sphere
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discovered white light is made of many colors
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Newton
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known for accurate calculations
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Tycho
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first to use telescope for astromomy
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Galileo
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added elliptical orbits to Copernican theory
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Kutler
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improved geocentric theory
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Ptolomy
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developed heliocentric theory
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Copernicus
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There are __________ modern constellations.
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88
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A ___________ is the distance light travels in one year.
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Lightyear
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The ___________ divides the light and the dark sides of the moon.
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terminator
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what is the most spectacular of the Maria?
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Tycho
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What theory of the moon says that the earth captured the moon accidentally.
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Capture Theory
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Streams of material that rise up and fall into the sus's corona.
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Prominences
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earth is between the moon and the sun
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lunar eclipse
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moon is between sun and the earth.
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solar
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why doesn't the moon have an atmosphere?
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the moon has no gravity, so it has no atmosphere. 1/81 of the gravity of the earth.
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Which planets were unknown during the ancient time and why?
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Uranus, Neptune, Pluto/ couldn't be seen
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growing (in terms of moon's phases)
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waxing
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shrinking (in terms of moon's phases)
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waning
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93 million miles
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A.U. (Astronomical Unit)
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stars circling each other
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Eclipsing binary
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layers of earth's atmosphere with abundance of ionized particles
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Ionosphere
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instrument produces an artificial eclipse
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Coronagraph
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streams of material that rise and fall into sun's corona
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Prominences
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Exploded meteor
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bolide
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falls to earth
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meteorite
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"shooting star"
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meteor
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particle orbiting in space
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meteoroid
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depression (astronomicaly speaking)
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crater
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earth's orbit collides with meteroid's
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meteor showers
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first american to orbit the earth
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John Glenn
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the first to build a liquid fuel rocket
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Robert Goddard
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the first American to walk in space
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Edward White
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first man to orbit the earth
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Yuri Gargarin
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first american woman in space
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Sally Ride
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first woman in space
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Valentina Tereskova
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first person to walk on the moon
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Neil Armstrong
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points on crescent moon
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cusps
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broad plains
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Maria (or Mare)
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sunlight reflected from earth to moon and back
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earthshine
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long narrow valleys
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rills
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being in the shadow of an astronomical body
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eclipse
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point in orbit closest to earth
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perigee
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point in orbit farthest from earth
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apogee
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how many times moon rotates during one revolution
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once
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How long is a lunar month?
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29 1/2 days
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Where does the moons light come from?
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The sun
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fastest revolving planet
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Mercury
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What special feature does Jupiter have?
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Great Red Spot
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Which planet is one A.U.(Astronomical Unit) from the sun
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Earth
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Which planet is the farthest planet most of the time.
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Pluto
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which planet is closest to the earth?
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Venus
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What special feature does Saturn have
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Rings
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The Red planet
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Mars
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dark spots on sun's surface
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sunspots
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lower layer of sun's atmosphere
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Chromosphere
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darker portion of sunspot
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umbra
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dark spots on surface
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sunspots
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outer layer of the sun
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corona
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visible surface of the sun
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photosphere
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pointed jets on chromosphere
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spicules
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outer portion of sunspot
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penumbra
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bubbles on surface
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granules
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What is the 3rd planet from the sun?
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Earth
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how many degrees is the earth's axis tilted
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23 1/2
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the first American woman in space
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Sally Ride
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