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Category: astronomy

New Video Puts Iconic Image of Black Hole in a Cosmic Context

New Video Puts Iconic Image of Black Hole in a Cosmic Context

Zooming out from the M87 black hole. Gif: Event Horizon Telescope (EHT) Collaboration/Gizmodo Two years ago, astronomers acquired the first direct image of a black hole. A coordinated observation campaign of this object is now adding to our understanding of this black hole and its tumultuous surroundings. Advertisement Located at the core of elliptical galaxy …

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Hubble Captures Stunning View of a Spiral Galaxy

Hubble Captures Stunning View of a Spiral Galaxy

Spiral galaxy NGC 2336.Image: ESA/Hubble & NASA, V. Antoniou; Acknowledgment: Judy Schmidt NGC 2336 was discovered over a century ago, but the big, blue spiral galaxy has never looked better, thanks to an eye-catching image obtained by the Hubble Space Telescope. German astronomer Wilhelm Tempel discovered NGC 2336 in 1876, which he did with a …

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One of the first known black holes is more massive than once thought

One of the first known black holes is more massive than once thought

Astronomers might need to adjust their expectations for black holes. According to the New York Times, an international research team has determined that Cygnus X-1, one of the first discovered black holes, is considerably more massive than once thought. The binary-system based hole was originally pegged at ‘just’ 15 solar masses, but is now believed …

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Hubble researchers find a gaggle of small black holes

Hubble researchers find a gaggle of small black holes

Larger black holes may be the usual attention-getters, but the smaller ones may be at least as important. A team using the Hubble Space Telescope has discovered a concentration of small black holes in the NGC 6397 globular star cluster (pictured above) 7,800 light-years away — the first to have its mass and extent recorded. …

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