kids encyclopedia robot

Image: Polaris time-lapse illustrating Cepheid type variability

Kids Encyclopedia Facts
Polaris_time-lapse_illustrating_Cepheid_type_variability.gif ‎(600 × 446 pixels, file size: 15 KB, MIME type: image/gif, looped, 4 frames, 0.6 s)

Description: A series of images of the pole star, Polaris, which is a Cepheid type variable. 4 frames taken at 24 hour intervals covering Polaris' approximately 4 day cycle during which it's brightness varies by 0.27 magnitudes. (Tim Wetherell 2022)
Title: Polaris time-lapse illustrating Cepheid type variability
Credit: Own work
Author: Timwether
Usage Terms: Creative Commons Attribution-Share Alike 4.0
License: CC BY-SA 4.0
License Link: https://creativecommons.org/licenses/by-sa/4.0
Attribution Required?: Yes

The following 2 pages link to this image:

kids search engine
All content from Kiddle encyclopedia articles (including the article images and facts) can be freely used under Attribution-ShareAlike license, unless stated otherwise.