This ordinary pen helped save Apollo 11 astronauts, now it has sold at auction for an $857,600

A crucial felt-tip pen, famously utilized by Buzz Aldrin during the Apollo 11 mission, fetched an astonishing $857,600 at Sotheby's Space Exploration auction. This ordinary pen played a vital role in fixing a circuit breaker on the Moon, ensuring the lunar module's safe return to Earth. It exemplifies the ingenuity and urgent problem-solving that marked space exploration history.