Prompt
"Generate an image of the Herschel Space Observatory, a Cassegrain reflector telescope in space, with its 3.5-meter primary mirror and instruments HIFI, PACS, and SPIRE, orbiting at the L2 point, in a realistic and technical illustration style, with a focus on its structure and solar panels, set against a backdrop of stars and the faint glow of the far-infrared and submillimetre wavelengths it observed."