... Ida and Dactyl: Asteroid and Moon . ... Credit: NASA, JPL, Galileo Project Explanation: An asteroid with a moon! ... The second asteroid it photographed, called Ida, was discovered to have a moon which appears as a small dot to the right of Ida in this picture. ... Dactyl is the first moon of an asteroid ever discovered. The names Ida and Dactyl are based on characters in Greek mythology. ... NASA Official: Jay Norris. ... Публикации с ключевыми словами: Ida - Dactyl - asteroid - астероиды . ...