File:Heic1323a -1243686232.jpg
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 | This image appeared on Wikipedia's Main Page in the Did you know? column on 3 March 2014 (see archives). |  |
Summary
| Description |
English: This Hubble image shows RS Puppis, a type of variable star known as a Cepheid variable. As variable stars go, Cepheids have comparatively long periods — RS Puppis, for example, varies in brightness by almost a factor of five every 40 or so days.
RS Puppis is unusual; this variable star is shrouded by thick, dark clouds of dust enabling a phenomenon known as a light echo to be shown with stunning clarity. These Hubble observations show the ethereal object embedded in its dusty environment, set against a dark sky filled with background galaxies. |
| Date | |
| Source | https://esahubble.org/images/heic1323a/ |
| Author | NASA, ESA, and the Hubble Heritage Team (STScI/AURA)-Hubble/Europe Collaboration; Acknowledgment: H. Bond (STScI and Penn State University) |
Licensing
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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Original upload log
The original description page was here. All following user names refer to en.wikipedia.
| Date/Time | Dimensions | User | Comment |
|---|---|---|---|
| 2013-12-17 19:51 | 3981×3910× (10321406 bytes) | Fotaun | from http://www.spacetelescope.org/images/heic1323a/ large ((PD-NASA)) |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:12, 20 April 2016 | | 3,981 × 3,910 (9.84 MB) | FastilyClone | Transferred from enwp |
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