Posted in Astronomy at 20:00 on 24 July 2022
It’s not often you see an image of Jupiter’s ring.
This picture (from Astronomy Picture of the Day for 20/7/22) though shows both planet and ring in infra-red light as captured by the James Webb Telescope.
Also prominent is the Great Red Spot as a bright white feature in infra-red and the moon Europa at the centre of a large diffraction spike.
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Posted in Astronomy at 12:00 on 31 May 2012
This picture (from Astronomy Picture of the Day 14/5/12) shows all the water of Jupiter’s moon Europa as if gathered into a ball and a similar depiction is done for Earth.

If you look at the sizes of the two spheres of water you can see Earth actually has comparatively little. It’s just spread over a large area (the oceans.) Europa has more water in total. A good place to look for extraterrestrial life then, perhaps.
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