Aging spacecraft starts up a radio transmitter it hasn’t used since 1981 from 15 billion miles away - Upgoat

Aging spacecraft starts up a radio transmitter it hasn’t used since 1981 from 15 billion miles away
submitted by paul_neri to Space 5 monthsNov 2, 2024 03:24:41 ago (+8/-0) (edition.cnn.com)
https://edition.cnn.com/2024/11/01/science/voyager-1-transmitter-issue/index.html

[ - ] puremadness 0 points 5 monthsNov 2, 2024 13:31:56 ago (+0/-0)

seems legit

[ - ] Not_a_redfugee 0 points 5 monthsNov 2, 2024 12:05:42 ago (+0/-0)

I thought radio waves need a medium to travel through?

[ - ] deleteme123 0 points 5 monthsNov 2, 2024 18:33:53 ago (+0/-0)

Radio waves are photons.