Talk:Naiad (moon)

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Untitled[edit]

Sources generally give dual pronunciations, [NAY-ad] and [NYE-ad]. Several (US) astronomical sources give only [NAY-ud]. This is consistent with pronouncing Aitne as [ET-nee] rather than [ITE-nee]. However, there was originally a dieresis over the i, which forces the diphthong, and therefore several mythological sources (such as Robert Fagles) give only [NYE-ad]. The Oxford English Dictionary gives [NYE-ad] as the pronunciation in both the UK and US, but [NAY-ad] for the US only.

orbit decay[edit]

Since its orbit is below Neptune's synchronous orbit radius it is slowly decaying due to tidal forces

Ok, but this doesn't look very significant since it relies on the pull from tidal bulges in Neptune's atmosphere induced by Naiad itself, which are small. Than again, does anyone have any quantitative data - like how fast is the decay, or maybe just how the decay rate scales with the satellite's mass and orbital radius? Deuar 14:04, 10 June 2006 (UTC)[reply]

Gone missing[edit]

Is it possible that it has crossed the Roche limit? Lanthanum-138 (talk) 06:31, 24 July 2011 (UTC)[reply]

It's now been rediscovered: see [1]. Also, it's not very likely IMHO that it would have done so and broken apart within just the 22 years between its discovery in 1989 and my comment here. Double sharp (talk) 11:32, 19 May 2014 (UTC) (Lanthanum-138 with a new username)[reply]

I do wonder however whether its distinctly elongated shape is not so much due to being a rubble pile that hasn't undergone any kind of settling into a quasi-spherical shape, but more that it's already on its way to destruction, and we're seeing it in the intial stages where it becomes ever more stretched-out but hasn't yet begun to actually disintegrate (see the diagrams on the Roche limit page). Then again, it may already be partly broken up, and only losing significant mass intermittently, maybe on the order of lumps fracturing off and floating away every few decades, maybe in sync with closer approaches as its orbit varies - how could we properly tell, without keeping a steady watch from fairly close up or dedicating a good bit of hubble/etc time to look for changes to the moon itself and any debris pulling away from it? 209.93.141.17 (talk) 00:15, 25 September 2017 (UTC)[reply]

Image correction[edit]

I will post this here and at Thlassa. I saw the image at NASA and contacted them, and they (Stphen Edberg) sent me an email reply with " IAU Name Discovery

III Naiad S/1989 N6 IV Thalassa S/1989 N5 V Despina S/1989 N3 "

They intend to fix it, and wen the do the image should be updated. TeigeRyan (talk) 02:33, 15 February 2015 (UTC)[reply]

Looks like this is the photo they now use for Naiad and not for Thalassia. Check these two links: http://solarsystem.nasa.gov/planets/naiad http://solarsystem.nasa.gov/planets/thalassa 216.113.170.72 (talk) 23:26, 1 January 2017 (UTC)[reply]

I updated articles. Ruslik_Zero 20:28, 3 January 2017 (UTC)[reply]

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