... With the deployment of spacecraft including, Pioneer, Voyager, Ulysses, and Galileo, we were able to obtain a great deal of information on the large planet. The spacecraft Galileo orbited Jupiter for eight years. With information received from these craft we are now able to know the make-up of Jupiter and ... are looking at these planets we are not looking at the surface, itself. We only see the clouds that are high in their atmospheres. Being a gaseous planet, Jupiter is made up of about 90% hydrogen and 10% helium. Also included are traces of methane, water, ammonia and rock. Jupiter ...

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• Approx Pages: 3
• Grade Level: High School