The Hidden Lives of Galaxies - References and Other Resources
References and Other Resources
For additional activities using the Hubble Deep Field, see "Galaxies Galore" on Amazing Space, http://amazing-space.stsci.edu/
For additional information on active galaxies, see the Active Galaxy articles on Imagine the Universe!, http://imagine.gsfc.nasa.gov/science/objects/active_galaxies1.html
Planishperes may be purchased at any planetarium and many science museum shops. To make your own planisphere, see http://www.otterbein.edu/dept/PHYS/is410/plan.html.
You can construct your own galaxy rotation curves at
A detailed description of how a galaxy rotation curve is made from an observation is at http://www.astro.ruhr-uni-bochum.de/geiers/GAL/gal_rot.htm.
For other discussions of rotation curves and the evidence for dark matter, see
For additional discussion of dark matter, see
An excellent guide to observing the night sky with a small telescope is "Turn Left at Orion: A Hundred Night Sky Objects to See in a Small Telescope - And How to Find Them," by Dan M. Davis, Guy J. Consolmagno, Daniel M. Davis, Cambridge Univ Pr (Trd); ISBN:0521482119.