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Our Solar System is heliocentric, because the Sun is its center. 5 trillion km)— that light travels in one year magnetosphere—The area influenced by a planet’s magnetic force. mantle—An interior section of a planet that is located between the core and the outer crust. mass—The amount of matter an object contains. moon—A natural satellite that orbits around a planet observatory—A place where telescopes and other instruments are used to study space. opposition—The point where the Earth is directly between the sun and another celestial object.

But finally, the Deep Space Network, a collection of highly sensitive antennas scattered all over the world, began receiving transmissions relayed by Cassini. It was clear that Huygens was safe and was 53 saturn now farther from Earth than any other object that had ever landed in space. The first images from Huygens’s cameras showed a harsh landscape covered with rocks or chunks of ice. The images and information that Huygens sent back in the next few hours changed our view of Titan forever. We now believe that Titan may actually resemble a young Earth even more closely than was previously believed.

By comparison, the strongest wind ever recorded on Earth was just 231 miles (372 km) per hour. The planet’s surface and atmosphere are also affected by sudden, violent storms. One huge storm, known as the Great White Spot, occurs once every time Saturn orbits the Sun and lasts for about a month. Saturn is extremely cold, with average surface temperatures around -300 degrees Fahrenheit (-185 degrees Celsius). This The bright orange swirls are is not surprising because of the part of the Dragon Storm, which is one of many storms in the planet’s great distance from the planet’s southern hemisphere.

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A Contribution to the Study of Galactic Dimensions by Shapley H.


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