What is pioneer 10 cm?

Pioneer 10 cm refers to a specific measurement of electromagnetic wavelengths in the radio wave spectrum. It is a relatively short wavelength compared to longer wavelength radio signals used for AM/FM radio broadcasting. The Pioneer 10 spacecraft, launched in 1972, was one of the first missions to use a 10 cm wavelength radio signal to communicate back to Earth. This allowed for faster data transmission rates and clearer signals than previous deep space missions had achieved. Pioneer 10 was the first spacecraft to visit Jupiter and flew through the asteroid belt, becoming the first man-made object to leave our solar system. Communication with Pioneer 10 officially ended in 2003, and it is now considered to be "silent". However, the legacy of Pioneer 10's scientific data and pioneering use of 10 cm wavelength radio signals continue to influence space exploration today.