Hubble space

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As the Hubble space telescope gets ready to celebrate 25 years since its launch, we look back at some of the most iconic images it has produced

Situated in the constellation Tucana, the Tucana Dwarf is a distant and isolated galaxy observed by the Hubble Space Telescope. It's notable for its older stars and sparse dust, lying far from the Local Group's center. This galaxy helps astronomers explore the early stages of galaxy formation and

See photos from the Hubble Space Telescope from National Geographic.

As the Hubble space telescope gets ready to celebrate 25 years since its launch, we look back at some of the most iconic images it has produced

Messier 57 - The Ring Nebula Credit: NASA/ESA HST, Spitzer ST, Giuseppe Donatiello RA: 283,387° Dec: 33,026 The Ring Nebula (Messier 57 or NGC 6720) is a planetary nebula in Lyra and it is illuminated by a central white dwarf or planetary nebula nucleus (PNN) of 15.75 visual magnitude. All the interior parts of this nebula have a blue-green tinge that is caused by the doubly ionized oxygen emission lines at 495.7 and 500.7 nm. In the outer region of the ring, part of the reddish hue is…