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Copy of Iapetus, Triton, Ceres, and Titan
Transcript of Copy of Iapetus, Triton, Ceres, and Titan
Iapetus is named after a Titan from greek mythology named Iapetus.
Triton is Neptune's largest moon, it makes up 98% of all of neptune's moon mass.
Ceres is the smallest of the 5 so far identified dwarf planets
Iapetus was discovered by Giovanni Domenico Cassini, an Italian–French astronomer, in October 1671.
Iapetus is the third largest moon/natural satellite that orbits Jupiter
The low density of Iapetus suggests that Iapetus is composed of mostly ice.
Iapetus' day is equivalent to about 79 earth days
Triton is one of the few moons in the solar system that are geologically active. (means that tectonic plates are moving.
Named after the roman sea god
Tritons diameter is appx. 2700 km (1700 mi)
triton is about 4.5 billion years old, about the same age as Neptune
Ceres is named after the Roman goddess of agriculture
Ceres is also sometimes classified as an asteroid
The diameter of ceres is appx. 950 km (590 mi)
Ceres was Discovered on 1 January 1801 by Giuseppe Piazzi
Ceres' surface is probably a mixture of water ice
The unmanned Dawn spacecraft, launched on 27 September 2007 by NASA, is expected to be the first to explore Ceres
Ceres may have water in liquid or solid form under its surface
Titan (or Saturn VI) is the largest moon of Saturn
It is the only natural satellite known to have a dense atmosphere
Is the only object other than Earth for which clear evidence of stable bodies of surface liquid has been found
has a diameter of appx. 5152km +/- 4km. Pretty close to the diameter of Mercury
Titan was discovered on March 25, 1655, by the Dutch astronomer/physicisist Christiaan Huygens
Also, Titan makes up 96% of all of Saturn's moon mass
its apoapsis is 3,665,184 km and its periapsis is 3,456,518 km