JUPITER IS THE FIFTH PLANET from
the Sun and the outermost of the four giant planet, with a diameter about
11 times that of the Earth and a mass about 2.5 times the combined mass of the seven other planets. Jupiter is thought to have a small rocky core surrounded by a inner mantle of metallic hydrogen (liquid hydrogen that acts like a metal). Outside of the inner mantle is an outer mantle of
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Jupiter |
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Jupiter-Earth Comparison |
liquid hydrogen and helium that merges into the gaseous atmosphere. Jupiter's rapid rate of rotation causes the clouds in its atmosphere to form belts and zones that encircle the planet parallel to the equator.
Belts are dark, low-lying, relatively warm cloud layers and
zones are bright, high-altitude, cooler cloud layers. Within the
belts and
zones, turbulence causes the formation of cloud features such as
White ovals and
Red spots, both of which are huge storm systems. The most prominent cloud feature is a storm called
the Great Red Spot, which consists of a spiraling column of clouds three times wider than than the Earth that rises about 8 kilometres above the upper cloud layer.
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Jupiter-Belt and Zone system |
Jupiter has a thin, faint,
Main ring, inside which is a tenuous halo ring of tiny particles. Beyond the main ring's outer edge is a broad and faint two-part
Gossamer ring.
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Jupiter's Ring |
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Structure of Jupiter |
There are 63 known Jovian moons. The four largest moons (called
the Galileans) are
Ganymede, Callisto, Io, and
Europa.
Ganymede and Callisto are cratered and icy.
Europa is smooth and icy
and is thought to have a subsurface water ocean.
Io covered in bright red, orange and yellow
splotches. This colouring is caused by sulphurous material from active volcanoes that shoot plumes of lava hundreds of kilometres above the surface.
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4 largest moons of Jupiter |
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Moons orbiting Jupiter
Note:- You can watch a Hollywood movie- "Europa Report" (Sci-fi movie) which is about the life on Europa- a moon of Jupiter.
Jupiter' atmosphere
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