Daftydux@lemmy.dbzer0.com to Ask Lemmy@lemmy.worldEnglish · 2 days agoIf every star in the night sky is a signal is it possible to send data to other galaxies by intermittently blocking out the suns light in that direction?message-squaremessage-square33fedilinkarrow-up135arrow-down11
arrow-up134arrow-down1message-squareIf every star in the night sky is a signal is it possible to send data to other galaxies by intermittently blocking out the suns light in that direction?Daftydux@lemmy.dbzer0.com to Ask Lemmy@lemmy.worldEnglish · 2 days agomessage-square33fedilink
minus-squareslazer2au@lemmy.worldlinkfedilinkEnglisharrow-up1arrow-down4·2 days agoWhile radio telescopes are arguably slower then the speed of light, being able to encode and compress data into a radiowave is a faster way to communicate.
minus-squareOnomatopoeia@lemmy.cafelinkfedilinkEnglisharrow-up6·edit-22 days agoHow is radio slower than light? Isn’t it all part of the EM spectrum?
minus-squareslazer2au@lemmy.worldlinkfedilinkEnglisharrow-up1arrow-down7·2 days agoLight is pure energy. While radio is energy it also contains information which means it is slower.
minus-squaresafesyrup@feddit.orglinkfedilinkEnglisharrow-up10·2 days agoThat is not true. The propagation speed of light and radio waves in the same medium is exactly the same. It’s both electromagnetic waves
While radio telescopes are arguably slower then the speed of light, being able to encode and compress data into a radiowave is a faster way to communicate.
How is radio slower than light? Isn’t it all part of the EM spectrum?
Light is pure energy. While radio is energy it also contains information which means it is slower.
That is not true. The propagation speed of light and radio waves in the same medium is exactly the same. It’s both electromagnetic waves