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Basics of Celestial Motion

Image Usage

All images and animations used in this website have been obtained from public domain sources, and other online sources with stated "free use" policies. In addition some illustrations and cartoons have been taken from the Microsoft Clip Art Library. Below is a list of all images used in each section, along with a link to stated terms of usage policies. All other images not listed below were created by the website author and designer, S. E. Scruggs, and may be used elsewhere if proper credit is given and a link is made to the Basics of Celestial Motion home page.

HomePage - Basics of Celestial Motion

"Face/Globe" logo: Microsoft Clip Art Library. Image usage permitted by holders of valid Microsoft Office suite software as per Microsoft End User License Agreement available online at http://office.microsoft.com/en-us/tou.aspx .

Four Seasons graphic: Microsoft Clip Art Library.

Lunar Phase GIF animation: Best Animations: "a collection of free animated gifs found on the web". Home page available at http://bestanimations.com/. Lunar phase GIF animation retrieved from http://bestanimations.com/Earth&Space/Moon/Moon.html

Solar System graphic: Microsoft Clip Art Library.

The Earth and the Sun

The Earth's Orbit - The First Great Misconception

Geocentric View of Universe graphic: Amazing Space uncredited image. "In instances when an image credit has not been given, the image is understood to be in the public domain". Copyright statement available at amazing-space.stsci.edu/resources/explorations/groundup/lesson/copyright.php. Image retrieved from amazing-space.stsci.edu/resources/explorations/groundup/lesson/basics/g37/index.php

Johannes Kepler portrait: Wikipedia image: JKepler.jpg. "The two-dimensional work of art depicted in this image is in the public domain in the United States and in those countries with a copyright term of life of the author plus 100 years. This photograph of the work is also in the public domain in the United States." Image and file usage available from http://en.wikipedia.org/wiki/Image:JKepler.jpg.

Small Globe Image: in Earth's Orbit figure. Cut from larger Wikipedia image Phases_of_the_Moon.png. "Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation." Image and file usage available from http://en.wikipedia.org/wiki/Image:Phases_of_the_Moon.png.

The Seasons - A Popular Misconception

Four Seasons graphic: Microsoft Clip Art Library.

Oval Globe image: Graphics Maps Free Clip Art. Any clip art featured on the pages linked below may be used (without) our written approval on any web site, intranet site or within a document or publication. Clip Art usage policy available at http://www.graphicmaps.com/clipart.htm. Image available from http://www.graphicmaps.com/webimage/world/worldd.htm.

Globe image: in the Earth's Tilt figure. Graphics Maps Free Clip Art. Image available at http://www.graphicmaps.com/webimage/world/worldb.htm.

The Seasons - Sunrise and Sunset

Four Globe images: in Clockwise Rotation figure. Graphics Maps Free Clip Art. Images available at http://www.graphicmaps.com/webimage/world/worldb.htm.

Compass image: in Azimuthal Direction figure. Microsoft Clip Art Library

The Seasons - Solstices and Equinoxes

Building images: in Path of the Rising Sun figures. Microsoft Clip Art Library

Globe image: in the Seasonal Illumination figure. Graphics Maps Free Clip Art. Image available at http://www.graphicmaps.com/webimage/world/worldb.htm.

The Earth and the Moon

Phases of the Moon - A Popular Misconception

Earth and Moon picture: Windows to the Universe. "If you are a student or teacher, we grant you permission to use images and text from our site for "educational" or "research" purposes". Usage policy available at www.windows.ucar.edu/tour/link=/image_linking.html. Image available at www.windows.ucar.edu/tour/link=/the_universe/uts/moon1.html

Lunar Phase GIF animation: Best Animations "a collection of free animated gifs found on the web". Home page available at http://bestanimations.com/. Lunar phase GIF animation retrieved from http://bestanimations.com/Earth&Space/Moon/Moon.html.

Lunar Phase Images: in Eight Phases figure. Cut from larger Wikipedia image Phases_of_the_Moon.png. "Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation." Image and file usage available from http://en.wikipedia.org/wiki/Image:Phases_of_the_Moon.png.

Relative Positions of Earth, Sun and Moon

Globe image: in Earth, Sun and Moon figure. Cut from larger Wikipedia image Phases_of_the_Moon.png.

The Earth's Shadow and Lunar Eclipses

Earth's Shadow Regions graphic: Wikipedia image: Umbra.jpg. "permission to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation". Image and file usage available at http://en.wikipedia.org/wiki/Image:Umbra.jpg.

Ligth bulbs: in Shadows Cast figure. Microsoft Clip Art Library

Globe image: in 5o Tilt and Celestial Alignment figures. Graphics Maps Free Clip Art. Image available at http://www.graphicmaps.com/webimage/world/worldb.htm.

Lunar Eclipse pictures: Wikipedia image: Lunareclipses2003.jpg. "This image has been (or is hereby) released into the public domain by its creator, Tomruen". Image and file usage available at http://en.wikipedia.org/wiki/Image:Lunareclipses2003.jpg.

The Moon's Angular Size and Solar Eclipses

Globe image: in Celestial Alignment figures. Graphics Maps Free Clip Art. Image available at http://www.graphicmaps.com/webimage/world/worldb.htm.

Total Solar Eclipse image: Wikipedia image: Solar_eclips_1999_4_NR.jpg. "Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation". Image and file usage available at http://en.wikipedia.org/wiki/Image:Solar_eclips_1999_4_NR.jpg.

Partial Solar Eclipse image: NASA JPL image: "Unless otherwise noted, images and video on JPL public web sites (public sites ending with a jpl.nasa.gov address) may be used for any purpose without prior permission. The user agrees to use a credit line in connection with images". Image use policy available at http://www.jpl.nasa.gov/images/policy/index.cfm. Image available at http://www2.jpl.nasa.gov/ambassador/Gallery/Maximum_Eclipse.htm.

Annular Solar Eclipse image: Wikipedia image: RingfoermigeSonnenfinsternis.jpg. "This file is in the public domain because it was created by NASA. NASA copyright policy states that 'NASA material is not protected by copyright unless noted'." Image and file usage available at //en.wikipedia.org/wiki/Image:RingfoermigeSonnenfinsternis.jpg.

The Earth and the Major Planets

Solar System graphic: Microsoft Clip Art Library.

Major Planets image: Wikipedia image: NewSolarSystem2.jpg. "This file is in the public domain because it was created by NASA. NASA copyright policy states that 'NASA material is not protected by copyright unless noted'". Image and file usage available at http://en.wikipedia.org/wiki/Image:NewSolarSystem2.jpg.

Solar System Scale Diagram: Greg Goebel's IN THE PUBLIC DOMAIN image. "Many of the illustrations have been created by myself and are also in the public domain, with these illustrations marked "GVG / PD." Usage policy available at www.vectorsite.net/index.html. Image available at http://www.vectorsite.net/gfxphy1.html .



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