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Talk:OSIRIS-REx

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A news item involving OSIRIS-REx was featured on Wikipedia's Main Page in the In the news section on 10 September 2016.

A news item involving OSIRIS-REx was featured on Wikipedia's Main Page in the In the news section on 3 December 2018.

A news item involving OSIRIS-REx was featured on Wikipedia's Main Page in the In the news section on 22 October 2020.

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The article states that "If successful, OSIRIS-REx will be the first US spacecraft to return samples from an asteroid." Have there been any successful non-US asteroid sample return missions? If so, what were they? -- 80.168.238.56 (talk) 10:42, 4 September 2016 (UTC)[reply]

Ah -- I've just found the sample return mission article, which explains all. -- 80.168.238.56 (talk) 10:44, 4 September 2016 (UTC)[reply]

To me it reads a bit like a PR statement - it should really read something like "It would be the second spacecraft to return samples from an asteroid but the first from the U.S." (or something more readable). Loweredtone (talk) 13:55, 11 September 2018 (UTC)[reply]

From the article: "His name was chosen for this mission as asteroid Bennu is a threatening Earth impactor capable of causing vast destruction and death."

This is needlessly alarming to the lay reader. There is no serious threat from Bennu. The two references cited are fringe media. — Preceding unsigned comment added by 68.190.240.94 (talk) 00:31, 1 October 2016 (UTC)[reply]

Details (eg map with altitudes ) here [1] - Rod57 (talk) 14:22, 13 September 2017 (UTC)[reply]

It would be nice to know why they decided against leaving passive radar reflectors on the surface (for future tracking) - Rod57 (talk) 14:25, 13 September 2017 (UTC)[reply]

It would be useful to include the manner in which the sample return capsule (SRC) will be returned to Earth. I assume they will fly the spacecraft to flyby Earth and release it as it goes by, but could not find info on that. Cheers, Rowan Forest (talk) 22:45, 10 December 2018 (UTC)[reply]

"By 10 December 2018, spectroscopic surveys of the asteroid's surface detected the presence of hydroxyl (oxygen-hydrogen) bonds, likely part of hydrates in the clay material of the asteroid. While researchers suspect that Bennu was too small to host water, these hydroxyl groups and hydrates may have come from water present in Bennu's parent body."

NASA home page: "detected water" {{www.nasa.gov/news/press-release/nasa-s-new-...}} Mission page {{asteroidmission.org}} (objectives): "water" Mission page (latest news): "water locked inside the clays" Official announcement at Fall 2018 AGU: "water-bearing", "water-rich" Principal investigator Dante Lauretta: "water found" {{twitter.com/dslauretta/status/10139082993664}}

So what's this hydroxyl redirect? A redirect. Water and hydroxyl are geologically, thermodynamically, and meteoritically equivalent.

OH^- (hydroxyl) exists there bound, and is not water (H₂O). The same conversation took place at Talk:101955 Bennu#"The presence of hydroxyl..." and it settled for "hydrated minerals". Be mindful it does not mean wet minerals, but they have a hydroxyl group bonded. The observed clay was formed in the presence of water, but once dry, it has no water, only traces of the reactions caused by water. Cheers, Rowan Forest (talk) 22:02, 13 January 2019 (UTC)[reply]

Re. thermodynamic equivalency: it applies to liquid water at 24°C under one atmosphere of pressure. Hardly the physical parameters in the deep freeze and vacuum of outer space. As NASA summarized their own technical lingo: "[…] meaning that at some point, Bennu’s rocky material interacted with water." [2] Right, no longer interacting with water. Bound OH- is not water. Although this is a preliminary observation, water is ubiquitous, so there may be water ice below the subsurface, I just don't think its spectrometers can penetrate as a radar would, and it does not have a neutron detector. Lets remember this is a NASA preliminary report and it may change when data is cross-referenced. Cheers, Rowan Forest (talk) 14:44, 14 January 2019 (UTC)[reply]

Apparently OSIRIS-REx is being renamed OSIRIS-APEX due to it's extension mission to Apophis in 2029, do we update now or wait? Goose (talk) 00:23, 26 April 2022 (UTC)[reply]

@GeesenGoosen @Mfb and @Ergzay should we rename the page to a common name "OSIRIS (spacecraft)"?? Chinakpradhan (talk) 03:45, 26 April 2022 (UTC)[reply]

When its heritage concept was proposed in the Discovery Program in 2004, it was called only OSIRIS, with REx for "Regolith Explorer" used descriptively rather than as part of the name.^[1] This mission is also sometimes called New Frontiers 3, for it being the third of the New Frontiers program missions.^[1][2] Chinakpradhan (talk) 04:29, 26 April 2022 (UTC)[reply]

this is what the page only says Chinakpradhan (talk) 04:30, 26 April 2022 (UTC)[reply]

nevermind just notice it got edited already, y'all are fast

1. ^ ^{a b} Lauretta, Dante. "Asteroid sample-return mission OSIRIS – OSIRIS regolith explorer (REx)" (PDF). European Space Agency. Archived from the original (PDF) on 2018-11-23. Retrieved 2020-07-24.

^ Perison, R.; Dworkin, J. (2016). Supply Chain (PDF) (Report). This article incorporates text from this source, which is in the public domain.

now that osiris rex's return capsule has returned to earth (!!!!), there is now no spacecraft called osiris rex in space, as the existing spacecraft is now designated osiris apex

should this page be renamed to OSIRIS-APex, or perhaps as a previous topic suggested, ORISIS (spacecraft)? Clayel (talk) 15:04, 24 September 2023 (UTC)[reply]