#APOD di oggi la ripresa amatoriale di un'occultazione tra satelliti gioviani. Su #Coelum di dicembre, in uscita la prossima settimana, un articolo dettagliato sull'impresa di Marco Guidi, ma intanto... tutti i nostri complimenti all'autore!  Bravo Marco!  #PHEMU #astrofotografia #astronomia #giove

#APOD di oggi la ripresa amatoriale di un'occultazione tra satelliti gioviani. Su #Coelum di dicembre, in uscita la prossima settimana, un articolo dettagliato sull'impresa di Marco Guidi, ma intanto... tutti i nostri complimenti all'autore! Bravo Marco! #PHEMU #astrofotografia #astronomia #giove

Collinder 399:  the Coat Hanger.   Is this coat hanger a star cluster or an asterism? This cosmic hang-up has been debated over much of last century, as astronomers wondered whether this binocular-visible object is really a physically associated open cluster or a chance projection. Chance star projections are known as asterisms. In the constellation of Vulpecula, the Fox.

Collinder 399: the Coat Hanger. Is this coat hanger a star cluster or an asterism? This cosmic hang-up has been debated over much of last century, as astronomers wondered whether this binocular-visible object is really a physically associated open cluster or a chance projection. Chance star projections are known as asterisms. In the constellation of Vulpecula, the Fox.

NASA’s Astronomy Picture Of The Day: Mercury’s Transit – An Unusual Spot On The Sun

NASA’s Astronomy Picture Of The Day: Mercury's Transit - An Unusual Spot On The Sun

NASA’s Astronomy Picture Of The Day: Mercury’s Transit – An Unusual Spot On The Sun

See Explanation.  Clicking on the picture will download  the highest resolution version available.

See Explanation. Clicking on the picture will download the highest resolution version available.

On Mars October 20, 2014 was calm too, the day after its close encounter with Comet Siding Spring. Not a hoax, this comet really did come within 86,700 miles or so of Mars, about 1/3 the Earth-Moon distance. Bluish star 51 Ophiuchi is at the upper right and the comet is just emerging from the Red Planet's bright glare.

On Mars October 20, 2014 was calm too, the day after its close encounter with Comet Siding Spring. Not a hoax, this comet really did come within 86,700 miles or so of Mars, about 1/3 the Earth-Moon distance. Bluish star 51 Ophiuchi is at the upper right and the comet is just emerging from the Red Planet's bright glare.

This photo of Pluto (center) and its largest moon Charon was captured by NASA's New Horizons spacecraft in July 2014 and released on Aug. 7. New Horizons took this image and others from a range of 267 million to 262 million miles (429 million to 422 million kilometers).<br />

This photo of Pluto (center) and its largest moon Charon was captured by NASA's New Horizons spacecraft in July 2014 and released on Aug. 7. New Horizons took this image and others from a range of 267 million to 262 million miles (429 million to 422 million kilometers).<br />

Cosmos

Cosmos

10515339_10204705946387773_366066366877198365_o.jpg (1000×666)

10515339_10204705946387773_366066366877198365_o.jpg (1000×666)

Estas son Las primeras fotos que hizo Armstrong desde el Eagle, unidas en una imagen, antes del primer paseo lunar. Solo había pasado una hora desde el aterrizaje. Imaginad lo que debió sentir... Una pasada.

Estas son Las primeras fotos que hizo Armstrong desde el Eagle, unidas en una imagen, antes del primer paseo lunar. Solo había pasado una hora desde el aterrizaje. Imaginad lo que debió sentir... Una pasada.

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