File:Lulin antitail.PNG

Uploaded by Harlock81
Upload date 2009-02-24T13:21:56Z
MIME type image/png
Dimensions 433 × 309 px
File size 5.9 KB

Summary

Description
English: This diagram explains how the comets C/2007 N3 (Lulin) shows an "antitail." Ion tail and dust tail can theorically be separated. The ion tail (cyan in the image) is oriented according to solar wind (and points more or less directly away from the Sun). The dust tail (red), formed by dust particles ejected by the comet, more or less follows the comet's orbit.[1] Tail dimensions aren't in scale.
Italiano: Lo schema spiega il motivo per cui la cometa C/2007 N3 (Lulin) presenta un'anti-coda. La coda di gas e la coda di polveri possono essere teoricamente distinte, la prima (in turchese nell'immagine) si orienta secondo il vento solare (e quindi più o meno lungo il raggio che dal Sole giunge alla cometa), la seconda (in rosso), formata dalle particelle di polvere espulse dalla cometa, segue all'incirca quest'ultima sulla sua orbita.[1] Le dimensioni delle code nel disegno non sono in scala.

Note

  1. a b Emily Lakdawalla, Got binoculars? Spot a comet near Saturn tonight. The Planetary Society. access: 24 feb 2009
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Harlock81

Italiano: *Immagine ottenuta da un fermo immagine dallo JPL Orbit Diagram della NASA ed in seguito elaborata.

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24 February 2009

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Category:CC-BY-SA-3.0-migrated Category:Comet Lulin Category:GFDL Category:License migration completed Category:Orbits of comets Category:Self-published work