30.3 Flashcards
fifth planet from the Sun
Jupiter
sixth planet from the Sun
Saturn
seventh planet from the Sun
Uranus
eighth planet from the Sun
Neptune
nearly round objects in orbit around the Sun that are not satellites and that have not cleared the debris in their orbit
dwarf planets
composed of dust and rock particles, frozen water, methane, ammonia
comet
rocky objects formed from material similar to materials in composition
asteroids
sand to boulder sized objects in the solar system
meteoroids
labeled a distant planetoid
sedna
life beyond earth
extraterrestrial planets
Which space probes flew past Jupiter in 1979
Voyager 1 and Voyager 2
Which space probe reached Jupiter in 1995
Galileo
What did the voyager probes and Galileo study
composition, structure and motion of Jupiter’s atmosphere and many features of its moon
How many 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
Ganymede, Callisto, and Europa
Which of the Galilean moons is the most volcanically active object in the solar system
Io
What is Saturn’s most commonly known feature
its rings
What are Saturns rings made of
particles of water-ice
How many moons does Saturn have at least
60 moons
What is the name of Saturns largest moon
Titan
What is the name of the spacecraft that approached Saturn in 2004
Cassini-Huygens
What is Cassinis mission
Collected data about Saturn, it rings and it its many moons
Which space probe is the only probe to study Uranus
Voyager 2
How many moons does Uranus have
27 moons
How is Uranus axis tilt
parallel to its plane
What color is Uranus
blue-green
Which space probe is the only probe to reach Neptune
Voyager 2
What makes Neptune a bluer color than Uranus
contains about 3 percent methane
How many moons does Neptune have
13 moons
What is Neptune’s largest moons
Triton
What are the names of the Dwarf planets
Pluto, Eris, Ceres
What is the bright cloud of a comet called
Coma
Where do comets originate
Kuiper belt or the Oort cloud
When meteoroids enter the Earths atmosphere, what are they called
“shooting stars” or meteor
When a meteor strikes Earths surface, what are they called
Meteorites
What does AU stand for
Astronomical Unit
What is an AU equal
150 million km
