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Past images are stored in the APOD Archive, with the first image appearing on June 16, 1995. [3] This initiative has received support from NASA, the National Science Foundation, and MTU. The images are sometimes authored by people or organizations outside NASA, and therefore APOD images are often copyrighted, unlike many other NASA image ...
Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."
These featured pictures, as scheduled below, appeared as the picture of the day (POTD) on the English Wikipedia's Main Page in November 2024. Individual sections for each day on this page can be linked to with the day number as the anchor name (e.g. [[Wikipedia:Picture of the day/November 2024#1]] for November 1).
For example, {{Wikipedia:Picture of the day/December 31, 2006}}. Pictures of the day selected from May 2004 through October 2004 are only accessible in month-at-a-time archives (see below) and can only be placed on user pages by using standard image syntax.
Sagan goes on to extend the comparison in terms of surface area, explaining that if the Cosmic Calendar were scaled to the size of a football field, then "all of human history would occupy an area the size of [his] hand". [3] A similar analogy used to visualize the geologic time scale and the history of life on Earth is the Geologic Calendar.
The Day the Earth Smiled is a composite photograph taken by the NASA spacecraft Cassini on July 19, 2013. During an eclipse of the Sun , the spacecraft turned to image Saturn and most of its visible ring system , as well as Earth and the Moon as distant pale dots.
These featured pictures, as scheduled below, appeared as the picture of the day (POTD) on the English Wikipedia's Main Page in January 2019. Individual sections for each day on this page can be linked to with the day number as the anchor name (e.g. [[Wikipedia:Picture of the day/January 2019#1]] for January 1).
These featured pictures, as scheduled below, appeared as the picture of the day (POTD) on the English Wikipedia's Main Page in September 2024. Individual sections for each day on this page can be linked to with the day number as the anchor name (e.g. [[Wikipedia:Picture of the day/September 2024#1]] for September 1).