File:Caldwell 35.jpg
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Summary
[edit]DescriptionCaldwell 35.jpg |
English: While looking at this image, you have unwittingly become an intergalactic time traveler! Caldwell 35, also known as NGC 4889, is a galaxy that is truly far, far away — roughly 300 million light-years, or about 1,750,000,000,000,000,000,000 miles. That means the light from Caldwell 35 that reaches Earth today is 300 million years old. By observing Caldwell 35, the most distant object in the Caldwell catalog, we have the opportunity to peer back in time and see its corner of the cosmos as it was long ago.
Caldwell 35, another of astronomer William Herschel’s discoveries, is a giant elliptical galaxy, the largest and brightest galaxy near the center of this Hubble image. It is accompanied by other members of the Coma cluster of galaxies, and is set against a backdrop of hundreds of even more distant galaxies. (One bright star on the right side of the image, and a dimmer star above it, belong to our own galaxy.) Scientists believe Caldwell 35 is about two and a half times larger than the Milky Way. Hidden in the heart of this tranquil-seeming galaxy lies a supermassive black hole. With a mass 21 billion times greater than the Sun, it is the most colossal black hole ever discovered. (For comparison, the black hole at the center of our galaxy is thought to be 4 million times more massive than the Sun.) Black holes usually spark visions of stars and planets hurtling into the inky blackness of a tornado-like vortex, clutched in the unrelenting grip of unseen forces. While Caldwell 35’s black hole used to feed on material in its younger years, astronomers believe its galactic buffet has run out and it has stopped feeding. Not only are stars not being sucked in, brand new stars are actually forming and orbiting peacefully about the black hole. This image was taken with Hubble's Advanced Camera for Surveys in visible and infrared light. With a magnitude of 11.5, Caldwell 35 is best seen using a large telescope under dark skies. As in the Hubble image, a number of fainter galaxies can be seen accompanying Caldwell 35 in the field of view. From the Northern Hemisphere, late spring is the ideal time to view the galaxy, which is located in the constellation Coma Berenices. From the Southern Hemisphere, look for it in the late autumn. For more information about Hubble’s observations of Caldwell 35, see: www.spacetelescope.org/images/heic1602a/ Credit: NASA & ESA For Hubble's Caldwell catalog site and information on how to find these objects in the night sky, visit: www.nasa.gov/content/goddard/hubble-s-caldwell-catalog |
Date | |
Source | https://www.flickr.com/photos/144614754@N02/49199600963/ |
Author | NASA Hubble |
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This image was originally posted to Flickr by NASA Hubble at https://flickr.com/photos/144614754@N02/49199600963 (archive). It was reviewed on 23 February 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
23 February 2020
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Metadata
This file contains additional information such as Exif metadata which may have been added by the digital camera, scanner, or software program used to create or digitize it. If the file has been modified from its original state, some details such as the timestamp may not fully reflect those of the original file. The timestamp is only as accurate as the clock in the camera, and it may be completely wrong.
Image title |
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Date and time of data generation | 16:00, 11 February 2016 |
Short title | The sleeping giant NGC 4889 |
Credit/Provider | NASA & ESA |
Source | ESA/Hubble |
Publisher | ESA/Hubble |
Usage terms |
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JPEG file comment | This image shows the elliptical galaxy NGC 4889 in front of hundreds of background galaxies, and deeply embedded within the Coma galaxy cluster. Well-hidden from human eyes, there is a gigantic supermassive black hole at the centre of the galaxy. |
Orientation | Normal |
Horizontal resolution | 72 dpi |
Vertical resolution | 72 dpi |
Software used | Adobe Photoshop CC 2015 (Windows) |
File change date and time | 09:21, 8 February 2016 |
Y and C positioning | Centered |
Exif version | 2.31 |
Date and time of digitizing | 18:46, 26 August 2015 |
Meaning of each component |
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Supported Flashpix version | 1 |
Color space | Uncalibrated |
IIM version | 4 |
Keywords | NGC 4889 |
Bits per component |
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Height | 2,586 px |
Width | 3,885 px |
Pixel composition | RGB |
Number of components | 3 |
Contact information |
http://www.spacetelescope.org/ Karl-Schwarzschild-Strasse 2 Garching bei München, , D-85748 Germany |
Type of media | Observation |
Date metadata was last modified | 10:21, 8 February 2016 |
Unique ID of original document | xmp.did:6855ee21-190f-1042-ad6e-fb434f63bff7 |