NASA
Nasa: Asteroid 2012 Da14: Earth Flyby Reality Check
Get a reality check about a recent asteroid fly-by. Study videos, diagrams, and explanations of these near-misses.
NASA
Nasa Space Science Data Archive: Galileo Project Information
This is the homepage of all of the archived information about and from the Galileo Mission. Included is data from the flybys of Venus, Earth, Moon, and Asteroids Gaspra and Ida, as well as the current data from Jupiter and its moons. See...
NASA
Nasa: Missions: Venus: Mariner 5
Designed as a backup craft for Mars exploration, Mariner 5 was refurbished for a flyby mission to Venus in 1967. This site provides basic information about the spacecraft and its mission.
NASA
Nasa: Astronomy Picture of the Day: Jupiter From Voyager
Taken by Voyager 1 as it passed Jupiter in 1979, this image shows the Great Red Spot, which is a hurricane-like storm that has lasted over 300 years, and is more than three times the size of planet Earth.
NASA
Nasa Space Science Data Archive: Mercury From Mariner 10
A single mosaic image made from 18 pictures as Mariner 10 approached Mercury.
NASA
Nasa Space Science Data Archive: Giotto Mission
This site from the National Space Science Data Center provides information on the Giotto mission which was designed to study Comet P/Halley. The spacecraft encountered Halley on March 13, 1986 and approached to within 600 km. This page...
NASA
Nasa: The Galileo Mission
This site from NASA has information on the Galileo space mission, which launched in October 1989. In spite of technical problems, Galileo transmitted enormous amounts of new data, especially about Jupiter and its satellites and rings,...