October 2, 2006
The Hubble Space Telescope has discovered a giant cloud vortex in the upper atmosphere of Uranus. This cloudy feature measures 1,700 kilometers by 3,000 kilometers (1,100 miles by 1,900 miles) – large enough to engulf 2/3rd of the US. Although rare on Uranus, these cloud spots are actually quite common on Neptune, since the ice [...]
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September 5, 2006
The Hubble Space Telescope recently captured a very rare event: the transit of its moon Ariel across the surface of Uranus. On Earth we call this an eclipse, when the Moon’s shadow falls upon the surface of our planet. This situation is rare on Uranus; however, because the blue-green planet is tilted over on its [...]
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