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Cieli azzurri su Plutone?

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Cieli azzurri su Plutone?
« il: Sab 10/10/2015, 10:25 »
http://www.nasa.gov/nh/nh-finds-blue-skies-and-water-ice-on-pluto

Forse all'alba e al tramonto...

I've been talking with my pal and New Horizons team member Tod Lauer, who pointed out that although it would be fainter than on Earth, the haze in Pluto's atmosphere should be visible to the human eye around sunset/sunrise, and might very well give the sky a blue cast there. I'm inclined to agree with him; he pointed out that images of a crescent Pluto show the haze is visible above the surface (and even very softly illuminates the surface), and the human eye should be able to pick it up near the horizon. I'm pretty sure the sky would look black above you fading to blue near the horizon

http://www.slate.com/blogs/bad_astronomy/2015/10/09/pluto_new_images_show_sky_is_very_faintly_blue.html

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Re:Cieli azzurri su Plutone?
« Risposta #1 il: Mer 14/10/2015, 18:00 »
Un altro "wow" si aggiunge alla lista di New Horizons! :nerd:
Par l’espace, l’univers me comprend et m’engloutit comme un point; par la pensée, je le comprends. (Blaise Pascal).
An age is called Dark not because the light fails to shine, but because people refuse to see it. (James Michener)

Re:Cieli azzurri su Plutone?
« Risposta #2 il: Mer 14/10/2015, 18:29 »
Beh, sulla terra abbiamo:  :mrgreen:
cieli rossi

cieli verdi

cieli gialli

<ISAA n°119> | È vero, ho scalato montagne e ho camminato in luoghi remoti. Ma come avrei potuto vedervi se non da una grande altitudine o da una grande distanza? In verità, come si può essere vicini se non si conosce la lontananza? (Khalil Gibran)