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Picture of the day. Composite photo of the Sun and Earth, showing the difference in size between the two astronomical objects.Although the Sun is an average-sized star, it is so large that its volume is equivalent to 1.3 million Earths and it contains approximately 99% of the total mass of the Solar System.
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 ...
Picture of the day "The Blue Marble" is a famous photograph of Earth. NASA officially credits the image to the entire Apollo 17 crew — Eugene Cernan, Ronald Evans and Jack Schmitt — all of whom took photographic images during the mission. Apollo 17 passed over Africa during daylight hours and Antarctica is also illuminated.
Picture of the day. An image of Pollen taken by a Scanning Electron Microscope (SEM), a type of electron microscope capable of producing high resolution images of a sample surface. Due to the manner in which the image is created, SEM images have a characteristic 3-dimensional quality and are useful for judging the surface structure of the sample.
NASA officially credits the image to the entire Apollo 17 crew — Eugene Cernan, Ronald Evans and Jack Schmitt — all of whom took photographic images during the mission. Apollo 17 passed over Africa during daylight hours and Antarctica is also illuminated.
Picture of the day. The Sombrero Galaxy is a spiral galaxy in the Virgo constellation. It was discovered in the late 1700s. It is about 28 million light years away and is just faint enough to be invisible to the naked eye but easily visible with small telescopes.
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/December 2007#1]] for December 1). You can add an automatically updating POTD template to your user page using {{Pic of the day}} (version with blurb) or {} (version without blurb).
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/August 2012#1]] for August 1). You can add an automatically updating POTD template to your user page using {{Pic of the day}} (version with blurb) or {} (version without blurb).