Planets 1
the largest planet in the solar system
Jupiter
the planet often called the morning star
Venus
space station being developed by a group of over 15 nations
International Space Station
first artificial object ever put into space
Sputnik 1
a single rise or depression in a wave
pulse
the "red planet"
Mars
Jupiter's moon
Ganymede
Russian space station designed for modules to be added
Mir
first space flight to land on the moon
Apollo II
whatever carries a wave is called
wave medium
the planet closest to the sun
Mercury
the planet with Great Red Spot
Jupiter
first U. S. space station
Skylab
placed into orbit by a space shuttle to aid astronomers in their studies of the heavens
Hubble Space Telescope
the movement of energy from one place to another
wave
the planet that is tipped on its side
the planet which appears to be a beautiful royal blue
Neptune
first U.S. satellite
Explorer 1
the low point of a wave
trough
the planet with windspeeds over 1200 mph
neptune
the planet best known for its rings
Saturn
first space craft designed to be reused
space shuttle
Random! Is Jupiter an inner or outer planet?
the highpoint of a wave
crest