Pioneer 11 is moving at a speed of 11.4km/s relative to the Sun. The Earth’s orbital speed is around 30km/s. Hence it’s possible that the Earth-Pioneer distance increases to over six hours for a while and then drops again.
Pioneer 11 is moving at a speed of 11.4km/s relative to the Sun. The Earth’s orbital speed is around 30km/s. Hence it’s possible that the Earth-Pioneer distance increases to over six hours for a while and then drops again.