Íomhá:Janus - Voyager 2.jpg

Níl aon taifeach is mó ar fáil.

Janus_-_Voyager_2.jpg ‎(250 × 250 picteilín, méid comhaid: 8 KB, cineál MIME: image/jpeg)

Seo comhad as An Cómhaoin Viciméid. Tá an tuairisc as an leathanach tuairisc Cómhaoin a leanas thíos. Is stór comhaid meáin Saor é an Cómhaoin Viciméid. Is féidir leat cabhrú.

Achoimriú

TuairiscJanus - Voyager 2.jpg	English: This is a colorized version of the high-resolution Voyager 2 spacecraft image of Janus that was taken on 25 August 1981. Janus was discovered by Audouin Dollfus in 1966 and was named after the god of gates and doorways. It is depicted with two faces looking in opposite directions. Janus has an irregular shape with a size of 196x192x150 kilometers (122x119x93 miles) in diameter. It is heavily cratered with several craters 30 kilometers (19 miles) in diameter. The pervasive cratering indicates that its surface must be several billion years old. Janus and Epimetheus share the same orbit of 151,472 kilometers (94,125 miles) from Saturn's center or 91,000 kilometers (56,547 miles) above the cloud tops. They are only separated by about 50 kilometers (31 miles). As these two satellites approach each other they exchange a little momentum and trade orbits; the inner satellite becomes the outer and the outer moves to the inner position. This exchange happens about once every four years. Janus and Epimetheus may have formed from a disruption of a single parent to form co-orbital satellites. If this is the case, the disruption must have happened early in the history of the satellite system.
Dáta	25 Lúnasa 1981
Foinse	http://solarviews.com/cap/sat/janus5.htm (image link)
Údar	NASA (Voyager 2 mission)/Calvin J. Hamilton

Ceadúnú

	Chruthaigh NASA an comhad seo, agus tógadh as suíomh Greasáin NASA nó foilseachán NASA é. Tá gach saothar den saghas sin sa fearann poiblí ach amháin an suaitheantas NASA, mar ní féidir saothair de chuid rialtas cónaidhme Stáit Aontaithe Mheiriceá a chur faoi chóipcheart. Féach ar an leathanach pholasaí cóipchirt NASA nó an leathanach pholasaí íomhanna JPL le tuilleadh eolais.
	Rabhaidh: Use of NASA logos, insignia and emblems are restricted per US law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials from the Hubble Space Telescope may be copyrighted if they do not explicitly come from the STScI. [1] All materials created by the SOHO probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3]

Original upload log

(All user names refer to it.wikipedia)

2006-09-22 20:36 Alessio Rolleri 250×250×8 (7713 bytes) Giano ripreso dalla sonda Voyager 2 Fonte: http://solarsystem.nasa.gov/planets/images/inset-sat_janus-large.gif {{PD-NASA}}

Stair chomhaid

Cliceáil ar dáta/am chun an comhad a radharc mar a bhí sé ag an am sin.

	Dáta/Am	Toisí	Úsáideoir	Nóta tráchta
faoi láthair	22:41, 21 Iúil 2019	250 × 250 (8 KB)	BevinKacon	Reverted to version as of 11:02, 15 November 2007 (UTC) no improvements since original upload
	08:51, 5 Bealtaine 2015	248 × 253 (14 KB)	Jcpag2012	larger, re-cropped
	06:31, 29 Márta 2015	250 × 250 (8 KB)	Jcpag2012	Reverted to version as of 11:02, 15 November 2007
	02:27, 26 Márta 2015	250 × 250 (8 KB)	Huntster	Reverted to version as of 11:02, 15 November 2007; unnecessary and inappropriate upsampling.
	08:30, 24 Feabhra 2015	1,000 × 1,072 (319 KB)	Jcpag2012	processing with Paint.NET
	11:02, 15 Samhain 2007	250 × 250 (8 KB)	File Upload Bot (Magnus Manske)	{{BotMoveToCommons\|it.wikipedia}} {{Information \|Description={{it\|Giano ripreso dalla sonda Voyager 2 Fonte: http://solarsystem.nasa.gov/planets/images/inset-sat_janus-large.gif}} \|Source=Originally from [http://it.wikipedia.org it.wikipedia]; descripti