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NASA's Voyager Found a 30k-50k Kelvin "Wall" at the Edge of Solar System

(www.iflscience.com)
246 points world2vec | 7 comments | 23 Jun 25 16:24 UTC | HN request time: 1.048s | source | bottom
1. kibwen ◴[23 Jun 25 17:03 UTC] No.44357762[source]▶
What sensor is Voyager using to measure "temperature" here?
replies(3): >>44357847 #>>44357879 #>>44361076 #
2. ◴[23 Jun 25 17:11 UTC] No.44357847[source]▶
3. ynac ◴[23 Jun 25 17:15 UTC] No.44357879[source]▶
https://science.nasa.gov/mission/voyager/spacecraft/

It seems they use several tools - inferring from the descriptions, they can measure and compare the data when it gets back here to determine simple things like temps.

replies(1): >>44359725 #
4. dotancohen ◴[23 Jun 25 20:27 UTC] No.44359725[source]▶
Is it possible that one of the sensors failed, thus giving the impression of a sudden change in value?
replies(1): >>44360549 #
5. PaulDavisThe1st ◴[23 Jun 25 21:52 UTC] No.44360549{3}[source]▶
TFA states that Voyager 1 and Voyager 2 found the same thing and that the data aligns in space too.
replies(1): >>44361220 #
6. imchillyb ◴[23 Jun 25 22:59 UTC] No.44361076[source]▶
They're using Plasma Wave Sensor instrumentation:

> https://space.physics.uiowa.edu/plasma-wave/voyager/

7. dotancohen ◴[23 Jun 25 23:20 UTC] No.44361220{4}[source]▶
Thank you