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Posted by: Roby72 Aug 31 2006, 08:00 PM

Hello all !

The HST has captured a rare event in the Uranian system - a shadow transit of one of its moons !
In this case the moon Ariel transits:

http://hubblesite.org/newscenter/newsdesk/archive/releases/2006/42/image/a

Robert

Posted by: remcook Aug 31 2006, 08:09 PM

Uranus is nearing equinox. New science is coming up!

Posted by: tedstryk Aug 31 2006, 08:29 PM

As for the size comparison, the 8th grader in me couldn't help but laugh at the chance to compare the size of Uranus and the Moon

Posted by: MarcF Aug 31 2006, 09:13 PM

This is really a great picture ! And it is just the beginning.
The coming years might really be interesting, and this shows that Hubble is still needed.
I hope NASA will manage a mission to repare it.

Marc.

Posted by: Jyril Sep 1 2006, 10:54 AM

Triton is a giant compared to other moons of Uranus or Neptune and it would be the largest known KBO if it didn't orbit Neptune. But our Moon is bigger still! Obvious, but still it feels weird.

Posted by: PhilCo126 Oct 13 2006, 11:50 AM

Superb image, it was also in the monthly CERN-Courier

Posted by: Big_Gazza Oct 13 2006, 09:18 PM

Equinox is nearing and we have no Uranus orbiter to take advantage of the opportunity, nor plans to organise one!

Posted by: ngunn Oct 13 2006, 09:29 PM

If you had an orbiter you wouldn't need an equinox . . . .

Posted by: ugordan Oct 14 2006, 09:13 AM

Yeah, you would. Otherwise you end up observing the same hemisphere of all moons for a very, very long time...