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70 Cards in this Set
- Front
- Back
moon
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the combined matter in our solar system of minor planets would produce a body half the size of this
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meteors
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smaller members of our solar system
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asteroids
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largest members of the solar system
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Ceres
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the first minor planet that was found
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Jupiter
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in the late 1700s, astronomers looked for a missing planet between Mars and _____
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Vesta
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discovered because of its light reflectability
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asteroid
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means "star-like"
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asteroids
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have negligible gravity
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binary asteroids
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asteroids that orbit around each other
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name and number
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what asteroids were given until the late 20th century
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the number of known asteroids is close to ___
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100,000
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asteroid belt
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where the majority of minor planets orbit
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asteroids are not numbered by the ___
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year they were discovered followed by two letters which identify the month
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number of members in the Apollo family
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1300
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this planet's strong gravitational influence causes the planes of asteroids to wobble
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Jupiter
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discuss ancient theories about comets
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see page 131
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draw and discuss the parts of a comet while noting the direction of the sun - note the coma, nucleus, Type I tail, Type II tail, head
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see page 133
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periodic
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a comet that keeps returning
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hyperbolic
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a comet that returns only once
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2P/Encke
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Having the shortest period of any known comet
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What shortens a comets life span
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the sun
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What broke up and hit Jupiter?
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SL9
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The life span of a meteor is ___
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instant
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What causes the burning up of most particles that enter our atmosphere?
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friction
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a particle of rock or dust that orbits the sun
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meteroid
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a particle of rock or dust that enters the earth's atmosphere
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meteor
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a particle of rock that reaches the earth's ground
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meteorite
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162,000
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the speed that some meteors have been clocked at
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the number of miles from earth's surface that a meteor is when it is first seen
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between 5 and 10 miles
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the time when it is better to see meteors
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after midnight
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illustrate and define Newton's third law of motion
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see page 165
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capture theory
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see page 159
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fission theory
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see page 160
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accretion theory
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see page 160
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impact theory
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see page 161
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Sputnik I
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the world's first man made satellite
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Congreve
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This man's rocket was visualized in our national anthem.
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"flying fire"
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bamboo tube, packed with gun powder, and attached to arrow
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Hale
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rocket that replaced the stick stabilizer with three fin like nozzles
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V-2
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rocket developed under Von Braun
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"buzz bomb"
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the V-1
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Explorer I
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discovered the Van Allen belt
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discovered a band of charged particles trapped by the earth's magnetic field
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USA
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first to place a man made satellite in orbit around the earth
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Soviet Union
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completed the first fly-by of the moon
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Soviet Union
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completed the first fly-by of Venus
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Soviet Union
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the first soft landing on the moon
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Soviet Union
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landed people on the moon
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USA
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Launched Pioneer 10 which became the first space craft to exit the solar system
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USA
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became the third nation to send a man into orbit
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China
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its size is _____ the width of the USA
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less than
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the shape of the moon
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almost a perfect sphere
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the escape velocity of the moon
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weak
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the mass of an object is defined as the amount of ___ in an object
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matter
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terminator
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evidence of the moon's thin atmosphere
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the moon's atmosphere does not contain even trace amounts of ___
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oxygen
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the term crater comes from a Greek word for ___
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cup
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the most spectacular of the moon's craters is
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Tycho
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long narrow valleys on the moon
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rills
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shapes formed by the dark areas
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maria
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closes point of orbit
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perigee
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most distant point of orbit
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apogee
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the beginning of the moon's cycle
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new
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the horns of a crescent moon
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cusps
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sunlight reflected from the earth to the moon and back again
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earth shine
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discuss the uniqueness of our moon in the Solar System
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see page 149
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draw, color, label, and discuss the causes of precipitation : Convection, orographic, convergence
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see page 226
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Proverbs 1:33
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*
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Genesis 1:16
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*
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Psalm 89:37
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*
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