1 Space Science Review Division 81: Physics & Astronomy May 5, 1998 Science News “Solar Flares Zap Spacecraft Cameras with Protons -- 23rd Solar Cycle.
Part I : Asteroids and comets Comet West (1975) Asteroid 453 Gaspra.
JAXA’s Space Exploration Scenario for the Next Twenty Years - Science Strategy - Masato Nakamura Steering Committee of Space Science Institute of Space.