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Wednesday September 8th 2010

Posts Tagged ‘Jupiter’

Titan, Enceladus, Dione, and Mimas Transit of Saturn

Titan, Enceladus, Dione, and Mimas Transit of Saturn

Taken February, 2009 - Hubble "This picture was taken with Hubble's Wide Field Planetary Camera 2 on 24 February 2009, when Saturn was at a distance of roughly 1.25 billion kilometres from Earth. Hubble can see details as small as 300 kilometres across on Saturn. This close-up view of Saturn's disc captures the transit of several moons [...]

Europa’s oceans have Oxygen – enough for life to exist.

Europa’s oceans have Oxygen – enough for life to exist.

Europa is a cool moon. Very cool if you consider that it has an outer core of solid ice a few miles deep. Below the ice there is liquid water. Lots of water... Twice the amount of all of the oceans of earth combined. Until recently, the main issue for "life on Europa" was that despite oxygen being present on the surface, it was not known [...]

How to “Rent” a Telescope for online observation

Recently I was wondering how to see deeper into the night sky than was possible using my own Telescope. I had heard that it was possible to "rent" time on a Telescope so I decided to look into it and see what I could find.  Ignoring some of the static webcams out there I was looking for something that would help me see something interesting and [...]

Jupiter Photo from Dublin Oct 4th 2009

Jupiter Photo from Dublin Oct 4th 2009

Once again the sky was not great, but every now and then I could see the Moon and Jupiter quite clearly. So I managed to take a picture (a bit overexposed perhaps) and I caught the 4 Galilean satellites - Io Europa, Ganymede and Callisto. So then I started to wonder, how to tell them apart. Sky and Telescope have a super Java tool called Jupiter's [...]