astronomy final review – Flashcards
Unlock all answers in this set
Unlock answersquestion
compared with earth's orbit, the orbit of Jupiter is approximately
answer
5 times larger
question
compared with earths density the density of Jupiter is
answer
much less
question
the main constituent of Jupiter's atmosphere is
answer
hydrogen
question
Jupiter's rocky core is
answer
larger than earth
question
Jupiters atmosphere extends far into space, stretching
answer
5 AU ( astronomical units)
question
the moon of Jupiter most similar in size to Earths moon is
answer
Io
question
Io's surface appears very smooth because it
answer
is continually resurfaced by volcanic activity
question
The Galilean moons of Jupiter are sometimes described as a miniature inner solar system because
answer
the moons' densities decrease with increasing distance from jupiter
question
how many moons have been found orbiting Jupiter
answer
63 moons
question
Jupiters 4 largest moons are
answer
The Gallilean moons- ( Io, Europa, Ganymede, Callisto)
question
What similarities does the Galilean moons have to the terrestrial planets
answer
orbits have low eccentricity, largest moons are sone what larger than mercury, and density decreased as distance from jupiter increases
question
Io
answer
active volcanoes due to tidal forces
question
Europa
answer
crcaked icy surface may be liquid water underneath
question
Ganymede and Callisto
answer
very similar both rock and ice
question
Jupiter's metosphere is
answer
30 million km across
