Talk:Parker Solar Probe

HeliOSPP

Hey Scienceadvocacy, regarding HeliOSPP - you can check official JHUAPL website, http://parkersolarprobe.jhuapl.edu/The-Mission/index.php#Science-Objectives, where there is no mention of it. The only other source I've found is this presentation Stuart D. Bale. "Solar Wind Kinetic Physics and the NASA Parker Solar Probe mission" (PDF).. As it is not mentioned anywhere by NASA and as there is no paper about their results published after several years the PSP is en route, it seems that HeliOSPP was only planned and later abandoned. Artem.G (talk) 21:22, 18 August 2022 (UTC)[reply]

Reading more on it it actually is interesting: there are numerous references from UCLA on the observatory scientist of the mission and that role lasting until 2024. The author is present in almost all articles of PSP but maybe seeing as his role is: "Dr. Marco Velli, serves as the Observatory Scientist for the SPP Project, and carries out an
inter-disciplinary science investigation that focuses on the goals and objectives of the SPP
mission. He provides theoretical input and independent assessment of scientific performance
to the Science Working Group (SWG) and the SPP Project to maximize the scientific return
from the mission." - it might not be brought up as part of the NASA team on the webpage. Also in the official website there is clearly stated Instrument PI's and not PI's so that might be a way of removing any doubt. At this point i don't think we have any clear information on the state of that investigation so i won't edit again, just wanted to highlight this ambiguity.
These are some recent articles that cite this role as still existing even in the official page: http://parkersolarprobe.jhuapl.edu/News-Center/Mission-Memories/20210812_Shaping-a-Mission.php (this is published in 2021 and it does cite that role). Scienceadvocacy (talk) 12:08, 19 August 2022 (UTC)[reply]
I added that section, as i responded earlier there are plenty of references to this role still existing, new ones too in 2023. Scienceadvocacy (talk) 14:43, 23 May 2023 (UTC)[reply]
I'm not reverting the addition, but can you show this "plenty"? I can't find anything else than the 2015 paper you've cited, and nothing from 2023. I wasn't able to find any paper published by the heliossp, maybe it was renamed or smth? Artem.G (talk) 16:35, 23 May 2023 (UTC)[reply]

What is the white coating on the sun side of the heat shield

Some diagrams say "white ceramic coating" (rather vague), NASA website says it is a spray on reflective coating. Would be nice to find a source that says what materials (specific oxides ?), and roughly how thick. - Rod57 (talk) 11:31, 4 August 2024 (UTC)[reply]

"Fastest man-made object" listed at Redirects for discussion

The redirect Fastest man-made object has been listed at redirects for discussion to determine whether its use and function meets the redirect guidelines. Readers of this page are welcome to comment on this redirect at Wikipedia:Redirects for discussion/Log/2024 December 22 § Fastest man-made object until a consensus is reached. User:Someone-123-321 (I contribute, Talk page so SineBot will shut up) 04:24, 22 December 2024 (UTC)[reply]

Speed relative to what?

Shouldn't the speed of the probe be expressed relative to something? I assume it's relative to Earth, but I couldn't confirm this in any of the referenced sources. -- 67.160.11.47 (talk) 03:52, 15 January 2025 (UTC)[reply]

It's relative to the Sun. We should probably say this, but to my surprise I couldn't find a source saying it in so many words. Dan Bloch (talk) 19:31, 15 January 2025 (UTC)[reply]
@Danbloch: It is mentioned in [1], which is already referenced in the title of the table in Parker Solar Probe#Timeline. Also, the CSV file (generated using the Horizons System, which is also referenced in the title of the table) that was used to make File:Velocity of Parker Solar Probe wide.svg indicates that the values used are relative to the Sun center. CoronalMassAffection (talk) 23:23, 16 January 2025 (UTC)[reply]
 Done. See dif. I specified in the body that these speeds are given in the heliocentric ecliptic reference frame (as specified in the CSV file) since "relative to the Sun" could be interpreted as a frame rotating with the Sun. CoronalMassAffection (talk) 00:39, 17 January 2025 (UTC)[reply]

Outdated main photo

The main photo on the wikipedia page isn't correct - it's showing a model with the voltage probes pointing away from the heat shield while PSP actually has the four voltage probes arranged orthogonally in the plane of the heat shield. I think this is a visualisation of a model from before the antenna configuration was finalised. Is there a more accurate visualisation that could be used instead? SpaceHG (talk) 16:17, 9 September 2025 (UTC)[reply]

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