Complex sentence: The last successful reception of telemetry from "Pioneer 10" was on April 27,2002, when it was at a distance of 80.22 AU, traveling at about 2.54 AU/year (12 km/s).
Split into simpler sentences: The last successful reception of telemetry from "Pioneer 10" was on April 27,2002, when it was at a distance of 80.22 AU. Traveling at about 2.54 AU/year (12 km/s).