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Cat's Eye Nebula

Cat's Eye Nebula

Hubble Image of Cat's Eye Nebulae (from EarthSky.org)

Hubble Image of Cat's Eye Nebulae (from EarthSky.org)

Black hole

Black hole

~~Black Holes Have Simple Feeding Habits (NASA, Chandra) ~ supermassive black hole is about 70 million times more massive than the Sun by NASA's Marshall Space Flight Center~~

~~Black Holes Have Simple Feeding Habits (NASA, Chandra) ~ supermassive black hole is about 70 million times more massive than the Sun by NASA's Marshall Space Flight Center~~

M81 Bodes Galaxy js

M81 Bodes Galaxy js

NGC 3169 - A Spiral Galaxy In "The Constellation Sextans". The Galaxy Is Gravitationally Distorted By Nearby Galaxy NGC 3166

NGC 3169 - A Spiral Galaxy In "The Constellation Sextans". The Galaxy Is Gravitationally Distorted By Nearby Galaxy NGC 3166

Akkretionsscheibe eines Röntgendoppelsterns.

Akkretionsscheibe eines Röntgendoppelsterns.

Hubble telescope image of the #Moon!

Hubble telescope image of the #Moon!

The Bubble Galaxy, NGC3521 in Leo- detail

The Bubble Galaxy, NGC3521 in Leo- detail

Galaxy clusters are some of the most massive structures that can be found in the Universe — large groups of galaxies bound together by gravity. This image from the NASA/ESA Hubble Space Telescope reveals one of these clusters, known as MACS J0454.1-0300. Each of the bright spots seen here is a galaxy, and each is home to many millions, or even billions, of stars.

Galaxy clusters are some of the most massive structures that can be found in the Universe — large groups of galaxies bound together by gravity. This image from the NASA/ESA Hubble Space Telescope reveals one of these clusters, known as MACS J0454.1-0300. Each of the bright spots seen here is a galaxy, and each is home to many millions, or even billions, of stars.