Voyager 1's low-energy charged particle instrument due for shutdown

Assembled from 49 blocks · 1 evidence · 62 related

1. Story
2. The March 2025 JPL release stated that Voyager 1's low-energy charged particle instrument would operate through the remainder of 2025 and be switched off in 2026. This record states the announced plan; whether the shutdown had been executed by August 2026 was not confirmed in this production run, and the current NASA instrument status table should be consulted before the record is published as history.
3. Knowledge
4. Voyager 1
5. Multi-Hundred-Watt radioisotope thermoelectric generator
6. Voyager 1's low-energy charged particle instrument due for shutdown
7. Connections
8. Voyager 1
9. Multi-Hundred-Watt radioisotope thermoelectric generator
10. The Grand Tour alignment
11. Voyager 2
12. Multi-Hundred-Watt radioisotope thermoelectric generator
13. Titan
14. NASA Deep Space Network
15. Gravity assist
16. Jet Propulsion Laboratory
17. Launch Complex 41, Cape Canaveral
18. Jupiter
19. Saturn
20. Titan
21. Voyager high-gain antenna
22. Plasma Wave Subsystem (PWS)
23. Titan IIIE-Centaur
24. Edward C. Stone
25. The Voyager Golden Record
26. Carl Sagan
27. Pale Blue Dot
28. The full Grand Tour is cancelled and rebuilt as a two-spacecraft mission
29. Voyager 1 launches
30. Voyager 1 closest approach to Jupiter
31. Active volcanism found on Io
32. Voyager 1 passes Saturn and Titan, and leaves the plane of the planets
33. Voyager 1 photographs the solar system from outside it
34. Voyager 1 crosses the termination shock at about 94 AU
35. Voyager 1 crosses the heliopause at 121.6 AU
36. The 2012 crossing is confirmed from plasma oscillations
37. Voyager 1's cosmic ray subsystem is switched off
38. Voyager 1's low-energy charged particle instrument due for shutdown
39. Voyager 1 reaches one light-day from Earth
40. Voyager 1
41. Voyager 2
42. Plutonium-238
43. Voyager 1 launches
44. Voyager 1's cosmic ray subsystem is switched off
45. Voyager 2's low-energy charged particle instrument is switched off
46. Voyager 1's low-energy charged particle instrument due for shutdown
47. The "Big Bang" power manoeuvre on Voyager 2
48. Evidence
49. Voyager 1's cosmic ray subsystem was switched off on 25 February 2025 and Voyager 2's low-energy charged particle instrument on 24 March 2025; both spacecraft lose about four watts of generator output per year; three science instruments continued to operate on each; Voyager 1's low-energy charged particle instrument was to run through 2025 and be switched off in 2026, and Voyager 2's cosmic ray subsystem was scheduled for shutdown in 2026, with the plan expected to keep at least one instrument running on each spacecraft into the 2030s. V55 verification basis: the release was not fetched — jpl.nasa.gov and science.nasa.gov are both blocked by this session's network egress proxy — but search results carried these specific figures and dates and attributed them to this release.