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Anna Hong

on 4 June 2013

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Transcript of Saturn

Timeline 1977 1610 1675 1997 1973 Learning more about Saturn 0 + - = 9 8 7 1 2 3 4 5 6 c Saturn's atmosphere - also contains methane & ammonia Magnetosphere - acts like a magnet Saturn's Rings Projects on Saturn Recent missions on Saturn Interviewee: LInda Spilker Occupation: physicist Fun Facts - Saturn would float if you put it in water. Though all the gas giants (Jupiter, Saturn, Uranus, and Neptune) have them, Saturn is the only planet that has rings possible to be seen from Earth. Discovering Saturn Saturn Measurements of Saturn The discovery of Saturn Cassini discovers that rings are made up of particles Cassini-Huygens spacecraft launches Pioneer 11 spacecraft launches Voyager I and II are launched - Distance from the Sun: 1.4 billion km - Orbital time: 30 Earth years - Mass: 568,319,000,000,000,000,000,000,000 kg - Spinning speed: 6200 mph Sources - Stover, Dawn. "Saturn Unveiled." Popular Science, Jul2004, Vol. 265 Issue 1, pgs. 65-72
<http://search.ebscohost.com/login.aspx?direct=true&db=mih&AN=13522020&site=ehost-live> - Hofer, Charles. Saturn. New York, NY: The Rosen Publishing Group, 2005. - Kerrod, Robin. Saturn. Minneapolis, MN: Graham Beehag Books, 2000. - Spilker, Linda J. Personal Interview. April 30, 2013. - Erickson, Kristen. "Saturn: Overview." April 26, 2013. May 2, 2013. <http://solarsystem.nasa.gov/planets/profile.cfm?object=Saturn Worked on: - Cassini - Voyager - Outer Planets Research (OPR) - and many, many more! What are they made of? A: billions of particles made of dust and ice, compressed into layers. The theory? Two, actually. 1) the rings formed at the same time as Saturn, or 2) a comet crashed into it and broke apart. SATURN=EXTREME 1) 400,000 km wide 2) layers called by letters in the order they were found 3) spokes found on the B ring spokes: "...dark lines fanning out across the B ring, similar to the spokes of a wheel." (Source #3, page 17) - Saturn's rings travel around the planet. - 91% hydrogen - 3% helium - Cassini: meant to explore the Saturnian system - Huygens: planned to study Titan's atmosphere - Voyager I and II: meant to study the outer solar system - Pioneer 11: first mission to explore Saturn Pioneer 11 Pioneer 11 Galileo Galilei - formed over 4 billion years ago - gaseous material inside solidified into rock & ice - Galileo thought Saturn to be a system of 3 planets The Forming of Saturn - fast swirling liquid creates electric current - launched in April of 1973 - closest encounter: within 21,000km from the planet - Renamed Pioneer Saturn, nicknamed Pioneer Rock Voyager I - revealed clouds, spots, new moons, craters, and ringlets - reached planet in November of 1980 - visited Jupiter first Voyager II - went to Saturn in the summer of 1981 - reached planet on August 25, 1981 - 3 seconds ahead of schedule; planned precisely - sent 10,000s of images Cassini - total cost: $3.27 billion
$2.6 billion from the US
$660 million from Europe - largest and most expensive probe - aimed at rings - size of a school bus PIONEER ROCK Quiz Time! Q: How are Saturn's rings labeled? A: Saturn's rings are labeled in letters in the order of discovery. True or False: Saturn would float in water. A: True Q: Why did Galileo call Saturn a "tri-form" planet? A: it was thought to be a system of 3 planets.
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