Voyager 1: How Long Can We Communicate?

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Discussion Overview

The discussion centers around the future communication capabilities of the Voyager 1 spacecraft, exploring how long it will remain operational and able to transmit data back to Earth. The conversation touches on the technical aspects of power supply and communication delays, as well as referencing external sources for additional information.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested

Main Points Raised

  • Some participants express concern about the timeline for Voyager 1's communication capabilities, suggesting it may cease around 2025-2030 due to power limitations.
  • One participant cites Wikipedia, indicating uncertainty about whether the loss of power will affect the transmitter.
  • A source from Suzanne Dodd, the Voyager project manager, is referenced, stating that the spacecraft's nuclear power sources lose about 4 watts of power per year, potentially allowing communication until 2022 or 2025.
  • It is noted that the current distance of Voyager 1 results in a round-trip communication time of over 33 hours, and that communication windows are limited to 6 to 8 hours per day on the Deep Space Network.

Areas of Agreement / Disagreement

Participants express varying opinions on the timeline for communication capabilities, with some suggesting different end dates and uncertainty about the implications of power loss on the transmitter. The discussion remains unresolved regarding the exact timeline and conditions affecting communication.

Contextual Notes

Participants reference external sources for information, which may have differing interpretations of Voyager 1's future capabilities. There are also assumptions about the impact of power loss on specific instruments that are not fully clarified.

Lars Hansen
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For how long will we still be able to communicate with the amazing Voyager 1?
 
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Hi Lars Hansen.
welcome_bike.gif


If you click on the ≡ symbol at the top right of your screen you will find the PF SEARCH facility where a search on titles can discover discussions on the Voyagers. There is sure to be a recent discussion where you can learn much, and ask questions.

Good luck!
 
Lars Hansen said:
For how long will we still be able to communicate with the amazing Voyager 1?

According to wikipedia, around 2025-2030 Voyager 1 will no longer be able to power any instrument. I assume that includes the transmitter, but I'm not sure.
https://en.wikipedia.org/wiki/Voyager_1#Future_of_the_probe
 
http://www.popularmechanics.com/spa...longer-will-we-talk-to-the-voyagers-11479518/

Suzanne Dodd, the Voyager project manager at NASA's Jet Propulsion Laboratory, says the Voyager spacecraft are powered by a couple of nuclear reactors sitting on the back of the probe, but they will soon run out of steam. "The nuclear power sources lose about 4 watts of power a year," she says. At this rate, Dodd says, Voyager should have enough power to communicate with Earth until 2022 or maybe 2025.

At it current distance, a round-trip message from Voyager I to Earth and back again takes a little more than 33 hours. And Voyager scientists are allotted only 6 to 8 hours per day on the Deep Space Network, meaning there may not be somebody listening when Voyager is talking
 
NascentOxygen said:
Hi Lars Hansen.
welcome_bike.gif


If you click on the ≡ symbol at the top right of your screen you will find the PF SEARCH facility where a search on titles can discover discussions on the Voyagers. There is sure to be a recent discussion where you can learn much, and ask questions.

Good luck!
Thank you! I am new here.
 

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