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A new image taken with NASA's Hubble Space Telescope provides a detailed look at the tattered remains of a supernova explosion known as Cassiopeia A (Cas A). It is the youngest known remnant from a supernova explosion in the Milky Way. The new Hubble image shows the complex and intricate structure of the star's shattered fragments.

A new image taken with NASA's Hubble Space Telescope provides a detailed look at the tattered remains of a supernova explosion known as Cassiopeia A (Cas A). It is the youngest known remnant from a supernova explosion in the Milky Way. The new Hubble image shows the complex and intricate structure of the star's shattered fragments.

M8 The Lagoon Nebula Kevin R. Witman on August 4, 2016 @ Cochranville, Pennsylvania

M8 The Lagoon Nebula Kevin R. Witman on August 4, 2016 @ Cochranville, Pennsylvania

A new image taken with NASA's Hubble Space Telescope provides a detailed look at the tattered remains of a supernova explosion known as Cassiopeia A (Cas A). It is the youngest known remnant from a supernova explosion in the Milky Way. The new Hubble image shows the complex and intricate structure of the star's shattered fragments.

A new image taken with NASA's Hubble Space Telescope provides a detailed look at the tattered remains of a supernova explosion known as Cassiopeia A (Cas A). It is the youngest known remnant from a supernova explosion in the Milky Way. The new Hubble image shows the complex and intricate structure of the star's shattered fragments.

A great chart with facts about each planet. Would be great to hang in a classroom or even have students write down. A very informative chart.

A great chart with facts about each planet. Would be great to hang in a classroom or even have students write down. A very informative chart.

NASA's Hubble Space Telescope has unveiled in stunning detail a small section of the Veil Nebula - expanding remains of a massive star that exploded about 8,000 years ago.

NASA's Hubble Space Telescope has unveiled in stunning detail a small section of the Veil Nebula - expanding remains of a massive star that exploded about 8,000 years ago.

The Hubble Extreme Deep Field is most distant image of the Universe ever created. Its diameter is one tenth the width of the full moon, its area is one 30 millionth of the entire sky. Within this field of view there are more than 5000 galaxies, 600 trillion stars and 50 quadrillion planets and moons. This photograph is a slice of infinity, proof of the immense scale of reality.

The Hubble Extreme Deep Field is most distant image of the Universe ever created. Its diameter is one tenth the width of the full moon, its area is one 30 millionth of the entire sky. Within this field of view there are more than 5000 galaxies, 600 trillion stars and 50 quadrillion planets and moons. This photograph is a slice of infinity, proof of the immense scale of reality.

Betelgeuse ~ The bright, pinkish-white star at upper left of Orion. A red supergiant, it is one of the largest and most luminous stars known. Betelgeuse is approximately 640 light-years away from Earth. If it were at the center of our solar system, its surface would extend to the orbit of Jupiter and beyond, wholly engulfing Mercury, Venus, Earth and Mars. Betelgeuse is a star nearing the end of its life. (NASA)

Betelgeuse ~ The bright, pinkish-white star at upper left of Orion. A red supergiant, it is one of the largest and most luminous stars known. Betelgeuse is approximately 640 light-years away from Earth. If it were at the center of our solar system, its surface would extend to the orbit of Jupiter and beyond, wholly engulfing Mercury, Venus, Earth and Mars. Betelgeuse is a star nearing the end of its life. (NASA)

As nebulosas planetárias foram descobertos na década de 1780. O astrônomo William Herschel acreditava que elas estavam formando novos sistemas planetários. Ele estava errado, mas o nome ficou. As formações são, na verdade, nuvens brilhantes de gás ao redor de uma estrela que está morrendo, e são frequentemente muito bonitas.

10 mistérios estelares da nossa galáxia ainda não resolvidos

As nebulosas planetárias foram descobertos na década de 1780. O astrônomo William Herschel acreditava que elas estavam formando novos sistemas planetários. Ele estava errado, mas o nome ficou. As formações são, na verdade, nuvens brilhantes de gás ao redor de uma estrela que está morrendo, e são frequentemente muito bonitas.

More galaxies colliding

More galaxies colliding

This stunning new image from the NASA/ESA Hubble Space Telescope shows part of the sky in the constellation of Canes Venatici.

This stunning new image from the NASA/ESA Hubble Space Telescope shows part of the sky in the constellation of Canes Venatici.

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