Summary: As NASA's Jupiter-bound Juno spacecraft swung past Earth on Oct. 9, 2013, amateur radio operators around the world sent a Morse Code "HI" to the spacecraft. Would Juno hear their call?
Summary: As NASA's Jupiter-bound Juno spacecraft swung past Earth on Oct. 9, 2013, amateur radio operators around the world sent a Morse Code "HI" to the spacecraft. Would Juno hear their call?