File:A smudged fingerprint ESA21846454.tiff

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Captions

Captions

The NASA/ESA Hubble Space Telescope is no stranger to spiral galaxies.

Summary

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Description
English: The NASA/ESA Hubble Space Telescope is no stranger to spiral galaxies. The telescope has brought us some of the most beautiful images ever taken of our spiral neighbours — and this Picture of the Week, which features a galaxy known as NGC 4689, is no exception.
However, seen almost face on, NGC 4689 appears less like a majestic spiral and more like a smudged fingerprint on the sky. No matter how good the image quality, there is little contrast between the spiralling arms of stars, gas, and dust, and the less dense areas in between. This is because NGC 4689 is something known as an “anaemic galaxy”, a galaxy that contains only quite small quantities of the raw materials needed to produce stars. This means that star formation is quelled in NGC 4689, and the pinwheeling, bustling arms are less bright than those belonging to other Hubble muses.
Despite this subtlety when compared to its brash, spotlight-stealing relatives, NGC 4689 retains an otherworldly charm, its delicately glowing material standing out subtly from the surrounding darkness of space.
Date 21 February 2020 (upload date)
Source A smudged fingerprint
Author European Space Agency
Other versions
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Activity
InfoField
Space Science
Mission
InfoField
Hubble Space Telescope

Licensing

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w:en:Creative Commons
attribution
attribution
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w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 4.0 International license.
Attribution: ESA/Hubble & NASA; CC BY 4.0
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current01:41, 21 August 2024Thumbnail for version as of 01:41, 21 August 20241,025 × 964 (7.41 MB)OptimusPrimeBot (talk | contribs)#Spacemedia - Upload of https://www.esa.int/var/esa/storage/images/esa_multimedia/images/2020/02/a_smudged_fingerprint/21846444-1-eng-GB/A_smudged_fingerprint.tif via Commons:Spacemedia

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