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Gaseous Planets Review

See how many you can answer without the word list if possible, but if needed for answers or spelling it is there to use. :-)
Across
Saturn's biggest moon, Titan, is the only place other than Earth to contain stable __.
The gas giants are so ___ because they are so far away from the sun.
____ Herschel was an amateur astronomer who discovered Uranus in the late 1700's.
our "sleepy planet," because it rotates sideways as if its lying down
The gas, methane, absorbs red light and reflects ___ light.
___ is the name of the mission exploring Saturn.
Jupiter & Saturn both make one rotation in just __ hours.
a large, violent storm easily visible on Jupiter
The scientist who discovered Uranus and his sister were honored by having several __ named after them, including one on our moon!
Saturn's rings are made up of dust, ice and __.
There are ___ of rings around Saturn.
___ Herschel was the first woman paid for scientific study, and helped her brother.
Scientists have recently discovered that like Saturn, Jupiter has ___, though they are very difficult to see. Uranus also has been found to have these.
The Jovian moon, Io, has hot active volcanoes and smells like rotten eggs because of the chemical, ___, spewing into its atmosphere.
____ is a pretty small and pretty STRANGE moon of Uranus, as it seems to be pieced together from parts that don't fit, making its surface very rough.
If Earth were the size of a ___, Saturn would be the size of a soccer ball.
Down
Jupiter, like the sun, is made up primarily of 2 gases: hydrogen & ________.
Saturn's rings are sometimes so __ we cannot see them until Saturn tilts at just the right angle, showing them to be very wide.
The Jovian moon, ___, is the reddest object in our solar system.
Saturn is the only planet in our solar system less ___ than water.
There are also ___ moons in Saturn's rings, called that because of the way they herd the rings as if they were sheep.
Some gas giants rotate very ___ causing high winds and many storms.
The Great __ Spot on Neptune is actually a giant storm, larger than our planet Earth!
Ganymede is Jupiter's __ moon, and is the largest object in our solar system.
_____ is the gas on both Uranus & Neptune that causes its pretty blue color.
____ Huygens is the man who first discovered that what Galileo saw around Saturn were rings!
Geysers on Triton are thought to spew out the gas ___, though scientists are still a little uncertain.
The smoothest object in our solar system is the Jovian moon ____________.
Triton is Neptune's largest moon & is fascinating because it is filled with ___, holes in the ground that spew out hot water on Earth.
means, "I have found it!"
the most famous planet in our solar system
Jupiter & Saturn are thought of as ___ planets.