Decades: 90s BC 80s BC 70s BC 60s BC 50s BC - 40s BC - 30s BC 20s BC 10s BC 0s BC 0s
Years: 51 BC 50 BC 49 BC 48 BC 47 BC 46 BC 45 BC 44 BC 43 BC 42 BC 41 BC
Births
Deaths
... comes from the Greek, "helios", for Sun. The heliocentric model of the solar system, in which it is argued that Terra orbits Sol, was first proposed by Aristarchus ...