The journey time to Piccadilly Circus is about 50 minutes. There are three Tube stations at Heathrow Airport, serving Terminals 1-3, Terminal 4 and Terminal 5. A single paper ticket from Heathrow (Zone 6) into Central London (Zone 1) costs Â£5.70.
Golden record is attached to the spacecraft. Voyager 1 was launched in 1977, passed the orbit of Pluto in 1990, and left the solar system (in the sense of passing the termination shock) in November 2004.
Sputnik was the first artificial satellite. It was launched into an elliptical low Earth orbit by the Soviet Union on 4 October 1957. The launch ushered in new political, military, technological, and scientific developments; while the Sputnik launch was a single event, it marked the start of the Space Age.