A light year is equivalent to a distance of 9.454.254.955.488km.
These are the 10 best pictures, taken by the Hubble telescope in outer space.
1º- The Sombrero Galaxy - 28 million light years from Earth - was voted the best picture taken by the Hubble telescope.
The dimensions of the galaxy, officially called M104, are as spectacular as its appearance.
2º - The Ant Nebula, a cloud of dust and gas whose technical name is Mz3, resembles an ant when observed using ground-based telescopes. The nebula lies within our galaxy between 3.000 and 6.000 light years from Earth.
3º - In third place is Nebula NGC 2392, called Eskimo because it looks like a face surrounded by a furry hood.
The hood is, in fact, a ring of comet-shaped objects flying away from a dying star.Eskimo is 5.000 light years from Earth.
4º - At four is the Cat's Eye Nebula, which looks like the eye of disembodied sorcerer Sauron from Lord of the Rings.
5º - The Hourglass Nebula, 8.000 light years away, has a pinched-in-the-middle look because the winds that shape it are weaker at the centre.
6º - In sixth place is the Cone Nebula. The part pictured here is 2.5 light years in length (the equivalent of 23 million return trips to the Moon).
7º - The Perfect Storm, a small region in the Swan Nebula, 5.500 light years away, described as a 'bubbly ocean of hydrogen and small amounts of oxygen, sulphur and other elements'.
8º - Starry Night, named so, because it reminded astronomers of the Van Gogh painting.It is a halo of light around a star in the Milky Way.
9º - The glowering eyes from 114 million light years away are the swirling cores of two merging galaxies called NGC 2207 and IC 2163 in the distant “Canis Major” constellation.
10º - The Trifid Nebula a 'stellar nursery', 9.000 light years from here, it is where new stars are being born.
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