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Halley's Comet
an asteroid
Jupiter
Correct!
Pluto consists of a rocky core with ice around the outside. Since the discovery of Pluto, scientists have found many other objects beyond Neptune with similar compositions.
Diameter: 1,400 miles
Location: orbits Sun just beyond Neptune
Average Distance from Sun: 3.7 billion miles
Average Surface Temperature: -370 degrees F
Orbital Period: 248 Earth years
Number of satellites: 1
Significance: largest object in the Kuiper Belt
Characteristics: a frozen ball of methane, nitrogen, and ice with a rocky core
Pluto's structure most closely resembles that of:
Pluto is much farther from the Sun than Neptune.
Fact
OR
Fiction
?
Fiction
At some times Pluto is even closer to the Sun than its nearest planetary neighbor, Neptune. Its orbit is not round, like the planets, but much more oval.
It takes Pluto hundreds of Earth years to orbit the Sun.
Fact
OR
Fiction
?
Fact
It takes 248 years, to be exact. Pluto's long, oddly-tilted orbit is much less circular than the planetary orbits.
“
The more we learned about Pluto, the more it failed to fit into any known planet classification scheme.
„
Neil Tyson, astrophysicist