CH 30.3-30.4 Flashcards
Jupiter?
The fifth planet from the sun.
Saturn?
The sixth planet from the sun.
Uranus?
The seventh planet from the sun.
Neptune?
The eighth planet from the sun.
Dwarf Planet?
Are nearly round objects in orbit around the sun that are not satellites and that have not cleared the debris in their orbits.
Comet?
is composed of dust and rock particles, frozen water, methane, and ammonia.
Asteroid?
Rocky objects formed from materials similar to the material in planets’ composition.
Meteoroid?
Sand to boulder-size objects in the solar system.
Sedna?
has been labeled a distant planeoid.
Extraterrestrial Life?
Life beyond Earth.
What is the space probe flew past Jupiter in 1979?
Voyager 1 and Voyager 2.
Which space probe reached Jupiter in 1995?
Galileo
What did the Voyager probes and the Galileo study?
Composition, structure, and motion of Jupiter’s atmosphere and many features of it’s moons.
How many known moons does Jupiter have?
63.
What are the 4 Galilean moons?
Ganymede, Callisto, Io, and Europa.
Which of the Galilean moons is the largest in the solar system?
Ganymede.
Which of the Galilean moons most likely have water trapped beneath their surface?
Titan
Which of the Galilean moons is the most volcanically active object in the solar system?
Io
What is Saturn most commonly known feature?
The largest and most complex ring system.
What are Saturn rings made of?
Particles of water-ice.
How many moons does Saturn have at least?
60
