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92 Cards in this Set

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What force keeps the planets from moving in straight lines?
gravity
dark places on the moon that are actually lava flows are?
mares
inner planets
mercury venus earth mars
outer planets
jupiter saturn uranus neptune
characteristics of outer planets?
gas giants, light
Theory of formation of moon?

- Earth's gravity pulled moon closer

- Earth and moon formed together

- asteroid hit earth and a piece broke
Capture

Sister

Daughter
Sun moon Earth
solar eclipse
sun earth moon
lunar eclipse
during which phase of the moon could a lunar eclipse occur?
full
what term means coming from a new moon?
waning
which space program of NASA sent men to the moon?
Apollo
which was the first space program of NASA?
mercury
which space program was the one that sent up two crew members at a time?
Gemini
why does the moon have many more craters than the earth?
no atmosphere
between which two planets is the asteroid belt located?
mars and jupiter
about how often do we have a full moon
once a month 28 1/2 days
identify all members of teh solar system
8 planets sun asterodis meteroids comets
which planet is the hottest planet
venus
which planet is tilted more on its axis than any other planet?
uranus
what planet is knows as the red planet

why
mars

iron ore
which planet has the greatest greenhouse effect due to its high percentage of carbon dioxide in its atmosphere?
venus
which planet is the smallest planet
merucry
which planet is known for its great red spot?
jupiter
which planet is the biggest
jupiter
which planet would have the sun rise in the west and set in the east?
venus
which moon of which planet has active volcanos?
IO jupiter
which moon of which planet has a very thick atmosphere?
titan Saturn
which space probe explored most of the outer planets?
voyager 2
which planet has the shortest year?
mercury
which planet has a day that is longer than its year?
venus
meteorids are:

meteors are:

meteorites:
asteroid in space

falling star

here (earth)
dirty snowball?

3 parts:
comet

head tail coma
what causes a comet's tail change directions as it approaches teh sun? what else happens?
solar wind

gets longer
identify the layers of the sun from innermost to outermost
core
radiation zone
convection zone
photosphere
cromosphere
corona
what process does the sun produce energy?
fusion
in which part of the sun does this occur?
core
which layer of the sun is normally visible to us?
photosphere
which 2 layers of the sun can only be seen during a solar eclipse?
cromosphere
corona
identify all phases of the moon starting when the moon is not visible on earth
new moon
waxing cresent
1st quarter
waxing gibbous
full
waning gibbous
last quarter
waning cresent
1st man in space - russian
Yuri Gagarin
1st russian satellite
sputnik
1st american in space
alan shephard
1st us satellite discovered van allen belts
Explorer 1
space craft that landed on moon
apollo 11
satellite that went around saturn and inner planets
Voyager 1
saturn that explored outer planets
voyager 2
robot ship that got lost
viking
robot ship explored inner planets and explored venus
mariner
a huge ball of hot gas that emits light
star
a collection of million or billions of stars bound together by gravity
galaxy
a unit of distance equal to the distance light travels in one year; = 9.5 x 10 to the 15th
light year
the gas and dust located between the stars in a galaxy
interstellar matter
a group of galaxies bound by gravity
cluster
a shift toward the red end of the spectrum in the observed spectral lines of stars or galaxies
red shift
a scientific theory that states that the universe began 10 billion to 20 billion years ago in an enormous explosion
big bang theory
a group of stars appearing in a pattern as seen from earth
constellation
a large reddish star late in its life cycle that fuses helium into carbon or oxygen
red giant
a small very dense star that remains after fusion in a red giant stops
white dwarf
an extremely large star that creates elements as heavy as iron
supergiant
a powerful explosion that occurs when a massive star dies
supernova
a dead star with the density of atomic nuclei
neutron star
an object so massive and dense that not even light can escape its gravity
black hole
the sun and all the objects that orbit around it
solar system
a small rocky object that orbits the sun usually in a band between the orbits of Mars and Jupiter
asteroid
a model that describes the sun and the solar system forming together out of a cloud of gas and dust
nebular model
the different apparent shapes of the moon or a planet due to the relative positions of the sun, Earth, and the moon or planet
phases
an event that occurs when one object passes into the shadow of another object
eclipse
said earth was center of universe
Aristotle and Aristarchus
came up with Earth centered model of universe
ptolemy
came up with sun centered model of universe
Copernicus
said Jupiter has moons

venus has phases

first scientist to actually experiment
Galileo
discovered 3 laws of planetary motion
Kepler
made of 2 convex lenses one at each end of a long tube that gather and bend light to a single point
refracting telescope
uses mirrors that gather and reflect light to a focal point
reflecting trelescope
collect radio waves instead of light

used to listen to things too far away to be seen
radio telescopes
tremendous blasts of energy from teh sun's atmosphere that can affect radio transmissions and weather conditions on Earth
flares
layer of the sun's atmosphere produces spectacular blasts of gas that sometimes form giant loops and fiery arms
chromosphere
bubbling motions pass energy through this layer of the sun
convection zone
the sun's thickest layer
radiation zone
the stream or charged particles that escapes through holes in the sun's corona is called the
solar wind
most of the energy we receive from the sun comes from this layer
photosphere
the most common type of gas in the sun
hydrogen
blasts of gas from the sun's atmosphere sometimes form enormous loops
prominences
dark areas in the photosphere are associated with an 11 year cycle
sun spots
as energy moves from the core to the radiation zone the sun's temperature
decreases
center of the sun
core
outermost layer of the sun is usually visible only during this phenomenon
solar eclipse
how long does it take for energy released from the sun's outer layers to reach the earth
8 min
layer of the sun's atmpshpere that reaches farthest into space is called the
corona
the apparant shift of an object when you see it in 2 locations
parallax
what is a star's apparent magnitude?
how bright a star looks
what does teh color of a star indicate?
the color of a star indicates its temperature and age of a star