Science Memes

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NASA Ping (mander.xyz)

submitted 3 months ago by [email protected] to c/[email protected]

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[–] [email protected] 73 points 3 months ago (9 children)

smh NASA's really gotta get an ethernet cable running to that thing

[–] [email protected] 78 points 3 months ago (8 children)

fun fact, that would make the transmission slower.

According to wikipedia cat5 cable has a propagation delay of 5.30 ns/m, which works out to about 62% of the speed of light. While radio waves propagate at the speed of light.

[–] [email protected] 25 points 3 months ago* (last edited 3 months ago) (2 children)

Yeah, the reason ethernet is generally faster compared with wifi is mainly due to interference from physical objects between the device and the transmitter. Not as much an issue when you're issuing commands into the vacuum of space from large, high-powered antennas.

[–] [email protected] 6 points 3 months ago

hehe, imagine a tcp handshake with voyager

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