Wiktionary (0.00 / 0 votes) Rate this definition: fourth estate (Noun). A hypothetical fourth class of civic subjects, or fourth body (in Britain, after the Crown, and the two Houses of Parliament) which governed legislation. fourth estate (Noun). Journalism or journalists considered as a group; the Press.
Confidence votes 32.9K. Voyager 1 Voyager 1 is 8.2 billion kilometers from the Sun. The distance to the Earth varies depending on the time of year so the distance to the Sun is a much more constant measurement. On September 9, 2012, Voyager 1 was 121.836 AU (1.82264Ã1010 km; 1.13254Ã1010 mi) from the Earth and traveling at 17.043 km/s (38,120 mph) (relative to the Sun) and traveling outward at about 3.595 AU per year.
Best Answer: Voyager 1 launched in September 1977 is the furthest man made object. It visited Saturn in November 1980 and has carried on going still sending signals ...