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Maher
Knipp 7F
25
Astronomy
7th Grade
02/01/2013

Additional Astronomy Flashcards

 


 

Cards

Term
Solar system
Definition
system of eight planets, including Earth and other objects that revolve around the sun
Term
Heliocentrism
Definition
The idea of having the sun at the center of the solar system
Term
Geocentrism
Definition
The idea of having the earth at the center of the solar system
Term
Mercury
Definition
Closest planet to the sun, fastest planet to orbit the sun
Term
Venus
Definition
Second closest planet to the sun and closest to earth in size and mass
Term
Earth
Definition
third planet to the sun and the only planet capable of surpporting life
Term
Mars
Definition
Nicknamed the "Red Planet," forth planet from the sun
Term
Jupiter
Definition
Largest planet, has a red spot that is a storm in the atmosphere
Term
Saturn
Definition
Known for its rings, lest dense planet
Term
Uranus
Definition
has a blue color to it due to methane gas in atmosphere, axis of rotation is nearly parallel to plane of orbit
Term
Neptune
Definition
farthest planet from the sun, has rings that varey in thickness, has dark-colored storms in atmosphere
Term
Inner Planets
Definition
small, rockey
Term
Outer Planets
Definition
large, gaseous
Term
Galileo
Definition
Astronomer who was under house arrest for his views on the the solar system
Term
Copernicus
Definition
Astronomer who did not share his viwes on the solar system until he was on his death bed
Term
What are comets
Definition
space objects composed of rock particles, frozen water, methane and ammonia
Term
Meteorite
Definition
a meteoroid that hits a planet's surface
Term
Meteor
Definition
AKA shooting star; meteoroid that burns up in a planet's atmosphere
Term
Meteoroid
Definition
a rock like substance floating in space
Term
Where did Asteroids come from
Definition
a planet that never formed or a planet hit by a comet or large meteorite
Term
Halley's comet
Definition
the most famous comet
Term
Ceres
Definition
largest asteroid
Term
Pluto
Definition
used to be the ninth planet from the sun
Term
asteroid belt
Definition
found between Mars and Jupiter
Term
Kepler
Definition
German Mathematician discovered that the planets had an oliptical orbit and did not orbit the sun at the same rate
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