written by
Maggie Masetti
published by
the Goddard Space Flight Center
This website gives an impression of the size of our Universe, starting with the Earth and increasing scale until it reaches the scale of the visible universe. The user can view and learn more about celestial objects that are used as examples. These objects include: the solar system, stars, the Milky Way galaxy, galaxies, clusters of galaxies, sheets, voids, and the farthest reaches of space.
<a href="http://www.compadre.org/astronomy/items/detail.cfm?ID=1053">Masetti, Maggie. The Cosmic Distance Scale. Greenbelt: Goddard Space Flight Center, March 1, 2008.</a>
Masetti, M. (2008, March 1). The Cosmic Distance Scale. Retrieved May 25, 2013, from Goddard Space Flight Center: http://heasarc.gsfc.nasa.gov/docs/cosmic/
Masetti, Maggie. The Cosmic Distance Scale. Greenbelt: Goddard Space Flight Center, March 1, 2008. http://heasarc.gsfc.nasa.gov/docs/cosmic/ (accessed 25 May 2013).
Masetti, Maggie. The Cosmic Distance Scale. Greenbelt: Goddard Space Flight Center, 2003. 1 Mar. 2008. 25 May 2013 <http://heasarc.gsfc.nasa.gov/docs/cosmic/>.
%0 Electronic Source %A Masetti, Maggie %D March 1, 2008 %T The Cosmic Distance Scale %I Goddard Space Flight Center %V 2013 %N 25 May 2013 %8 March 1, 2008 %9 text/html %U http://heasarc.gsfc.nasa.gov/docs/cosmic/
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