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http://www.jpl.nasa.gov/galileo/countdown/impact.html
These are computer-generated animations showing the Galileo spacecraft impact into Jupiter on September 21, 2003. Each of the animations cover a time period of 19 hours prior to impact. MPEG and Quicktime animations are provided. Animations created by Ron Baalke.
The Galileo probe was intentionally crashed into Jupiter in order to gather data about the planet's atmosphere and interior. By plunging into the planet's atmosphere, the probe was able to collect valuable information about the composition and dynamics of Jupiter's atmosphere and the planet's magnetic field.
The Galileo probe was equipped with a heat shield and a sturdy aeroshell that protected it from the intense heat and pressure of Jupiter's atmosphere. Its heat-resistant tiles were also able to withstand temperatures of up to 1538°C. Additionally, the probe was designed to deploy a parachute to slow its descent and minimize impact upon crashing.
The Galileo probe's crash into Jupiter yielded several important discoveries about the gas giant. It revealed that Jupiter's atmosphere is primarily composed of hydrogen and helium, with smaller amounts of other gases. It also provided evidence of strong winds and storms in the planet's atmosphere, and detected a strong magnetic field and radiation belts surrounding the planet.
The Galileo probe's mission significantly expanded our knowledge of Jupiter and its moons. It provided detailed images of the planet's surface and atmosphere, as well as data on its magnetic field and radiation levels. The probe also discovered evidence of water on some of Jupiter's moons, suggesting the potential for life beyond Earth.
The Galileo probe's successful crash into Jupiter paved the way for future missions to the gas giant. Its findings and data have been used to inform and guide subsequent missions, such as the Juno spacecraft currently orbiting Jupiter. The probe's mission also inspired further exploration of Jupiter's moons, with missions like the Europa Clipper planned to study the potential for life on Europa.