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A Star is Born
How Planets Form
◊Giant Planets
What Are They, and Where Are They?
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◊Moons
What's the Deal With Moons?
The Galilean Moons of Jupiter
Moons of Saturn, Uranus, & Neptune
◊Rings
◊Kuiper Belt
Objects
Dwarf Planets
Comets
◊Space Junk
Asteroids
Meteorites
Dust and Plasma
◊Extrasolar
Planets
◊Missions
Pioneer 10 & 11
Voyager 1 & 2
Galileo
Cassini
New Frontiers
◊Lessons and Activities
Pioneer 10 & 11
The Pioneer missions were the first to send spacecrafts through the asteroid belt and the first to send detailed, up-close images of Jupiter and Saturn back to Earth.
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Sections:
Pioneer 10
Pioneer 11
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Voyager 1 & 2
The Voyager missions were responsible for some amazing discoveries about the outer planets. Voyager 2 sent back the first detailed images of Uranus and Neptune.
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Sections:
Voyager 1
Voyager 2
Results of the Voyager missions
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Galileo
After the success of the Pioneer and Voyager missions, scientists sent Galileo to orbit Jupiter and collect information and images of its moons over the course of its four-year mission.
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Sections:
The Galileo Spacecraft
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Cassini
The Cassini-Huygens mission was designed to study Saturn from different angles throughout its 74-orbit tour. Cassini is orbiting Saturn right now, and continues to make phenomenal discoveries about the planet, its moons and rings. Cassini released the Huygens probe into Titan's gravity as the pair entered the Saturnian system in 2004.
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Sections:
The Cassini-Huygens Spacecraft
6 Segments of Cassini's Tour
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New Frontiers
The New Frontiers Program is a scientific endeavor designed to explore the entire solar system by launching missions every 36 months. The first of these missions was launched in January 2006 and the second one is due to launch in 2011.
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Sections:
The New Horizons Spacecraft
Juno: NASA's New Frontiers Mission to Jupiter
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