The Hubble Space Telescope’s Finest Photos- page 15 | Science | Smithsonian
(Courtesy of NASA)

The Hubble Space Telescope’s Finest Photos

Now that the telescope has received its final upgrades, we look back on Hubble's most memorable images from space

The Rings of Uranus - August 14, 2007

Uranus
(Courtesy of NASA)

Nobody even knew Uranus had rings until 1977, when a team of American astronomers observed the planet as it passed in front of a star. Hubble’s photographs of Uranus’ rings contributed to our knowledge of how many exist, 13 as of 2008. In this image, the rings appear as two spikes above and below the planet. Earthbound astronomers see the rings' edge only every 42 years as the planet follows an 84-year orbit about the Sun.

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