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The images are sometimes authored by people or organizations outside NASA, and therefore APOD images are often copyrighted, unlike many other NASA image galleries. [ 4 ] When the APOD website was created, it received a total of 14 page views on its first day.
Robert J. Nemiroff. Robert J. Nemiroff is an Astrophysicist and Professor of Physics at Michigan Technological University. He received his Ph.D. from the University of Pennsylvania in Astronomy and Astrophysics in 1987 and his B.S. from Lehigh University in Engineering Physics in 1982. [1] He is an active researcher with interests that include ...
Helix Nebula. The Helix Nebula (also known as NGC 7293 or Caldwell 63) is a planetary nebula (PN) located in the constellation Aquarius. Discovered by Karl Ludwig Harding, most likely before 1824, this object is one of the closest of all the bright planetary nebulae to Earth. [ 3] The distance, measured by the Gaia mission, is 655±13 light ...
The Day the Earth Smiled. Earth can be seen as a blue dot underneath the rings of Saturn. The photomosaic from NASA's "Wave at Saturn" campaign. The collage includes some 1,600 photos taken by members of the public on The Day the Earth Smiled. The Day the Earth Smiled is a composite photograph taken by the NASA spacecraft Cassini on July 19, 2013.
The California Nebula ( NGC 1499/ Sh2 -220) is an emission nebula located in the constellation Perseus. Its name comes from its resemblance to the outline of the US State of California in long exposure photographs. It is almost 2.5° long on the sky and, because of its very low surface brightness, it is extremely difficult to observe visually.
Veil Nebula. The Veil Nebula is a cloud of heated and ionized gas and dust in the constellation Cygnus. [ 4] It constitutes the visible portions of the Cygnus Loop, [ 5] a supernova remnant, many portions of which have acquired their own individual names and catalogue identifiers. The source supernova was a star 20 times more massive than the ...
NASA Astronomy Picture of the Day: M78: Stardust and Starlight (4 November 2005) NightSkyInfo.com – M78; Astronomy Picture of the Day. M78 Wide Field 2009 November 26; M78 and Reflecting Dust Clouds in Orion 2010 March 2; Haran, Brady; Haese, Paul. "M78 – Reflection Nebula". Deep Sky Videos. Nottingham Astronomy Group, University of Nottingham
Updated July 9, 2024 at 10:26 PM. A NASA mission to test how living on Mars would stress and test a human crew ended Saturday, with four volunteers emerging from more than a year in a 1,700-square ...