Astronomy and Space
Astrochicken is the name given to a thought experiment expounded by theoretical physicist Freeman Dyson. An Astrochicken is a small, one-kilogram spacecraft, a self-replicating automaton that could explore space more efficiently than a crewed craft could due to its innovative mix of technology.
FR-1 (satellite).
90 Tauri.
Text from Wikipedia; plate via Wikimedia Commons. Text CC BY-SA 4.0; plate freely licensed (see Commons). Source record. Images and catalogue data are reproduced from open-access collections.