the most famous star cluster on the sky, the Pleiades can be seen without binoculars from even the depths of a light-polluted city. Also known as the Seven Sisters and M45, the Pleiades is one of the brightest and closest open clusters. The Pleiades contains over 3000 stars, is about 400 light years away, and only 13 light years across.

the most famous star cluster on the sky, the Pleiades can be seen without binoculars from even the depths of a light-polluted city. Also known as the Seven Sisters and M45, the Pleiades is one of the brightest and closest open clusters. The Pleiades contains over 3000 stars, is about 400 light years away, and only 13 light years across.

En los fértiles campos de la constelación de Cefeo, a sólo 1.300 años-luz de distancia, se encuentra la Nebulosa Iris. Esta nebulosa de reflexión es el hogar de una joven estrella recién formada, que la ilumina desde dentro. #astronomia #ciencia

En los fértiles campos de la constelación de Cefeo, a sólo 1.300 años-luz de distancia, se encuentra la Nebulosa Iris. Esta nebulosa de reflexión es el hogar de una joven estrella recién formada, que la ilumina desde dentro. #astronomia #ciencia

estelar-indulgencia: NGC 3521 - Galaxy En Una burbuja de Crédito de la Imagen: R Jay Gabany

estelar-indulgencia: NGC 3521 - Galaxy En Una burbuja de Crédito de la Imagen: R Jay Gabany

M45: Las Pléyades, racimo de estrerllas. créditos y derechos de autor de la imagen: Marco Lorenzi (Brillantes luces)

M45: Las Pléyades, racimo de estrerllas. créditos y derechos de autor de la imagen: Marco Lorenzi (Brillantes luces)

The well known Pleiades star cluster is slowly destroying part of a passing cloud of gas and dust. The Pleiades is the brightest open cluster of stars on Earth's sky and can be seen from almost any northerly location with the unaided eye.

The well known Pleiades star cluster is slowly destroying part of a passing cloud of gas and dust. The Pleiades is the brightest open cluster of stars on Earth's sky and can be seen from almost any northerly location with the unaided eye.

Cassiopeia A (Cas A) is a supernova remnant in the constellation Cassiopeia and the brightest extrasolar radio source in the sky at frequencies above 1 GHz.    http://en.wikipedia.org/wiki/Cassiopeia_A

Cassiopeia A (Cas A) is a supernova remnant in the constellation Cassiopeia and the brightest extrasolar radio source in the sky at frequencies above 1 GHz. http://en.wikipedia.org/wiki/Cassiopeia_A

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