Archytas of Tarentum flew wooden pigeon using steam in 400 BC. Hero of Alexandria invented aeolipile using steam-powered sphere. Chinese developed gunpowder-filled bamboo tubes in first century AD. First true rocket use in 1232 during Chinese-Mongol war
Launched September 5, 1977, overtaking Voyager 2 in asteroid belt. First spacecraft to cross heliosphere and enter interstellar space. Discovered faint ring around Jupiter and two new moons. Found five new moons and G-ring at Saturn
TIME magazine created a list of 100 most influential photos ever taken. Photos were chosen for their impact on human experience and cultural legacy. No single formula makes iconic photos, some were first of their kind
Breakthrough Starshot aims to reach Alpha Centauri using light sail spacecraft. Rosalind Franklin rover planned for Mars mission in 2028. Breakthrough Enceladus mission seeks life on Saturn's moon. PLATO telescope planned for 2026 to study extrasolar planets
Born Jeffrey Preston Jorgensen in 1964 in Albuquerque. Graduated from Princeton University in 1986 with engineering degrees. Worked at various companies before joining D.E. Shaw hedge fund