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Title: Galileo spacecraft discovering asteroid 243 Ida and its moon, Dactyl.
Caption: Galileo spacecraft discovering the first asteroid moon, Dactyl, orbiting the asteroid 243 Ida in the universe. It was the first time a moon was discovered orbiting an asteroid.
Category: Space
Credit: Album / Elena Duvernay/Stocktrek Images
Image size: 4920 × 3690 px | 51.9 MB
Print size: 41.7 × 31.2 cm | 1937.0 × 1452.8 in (300 dpi)