Paula Hendry, and
This site, from the Space Telescope Science Institute, provides answers to many basic questions about black holes. Questions including what black holes are, how they are created, and what the evidence is for their existence are answered. The site also provides a description of the role of the Hubble Space Telescope and the Advanced Camera for Surveys.
Steinberg, D., Hendry, P., & Helms, G. (2004, January 8). No Escape: The Truth about Black Holes. Retrieved July 7, 2020, from http://amazing-space.stsci.edu/resources/explorations/blackholes/teacher/sciencebackground.html
Steinberg, D, P. Hendry, and G. Helms. No Escape: The Truth about Black Holes. January 8, 2004. http://amazing-space.stsci.edu/resources/explorations/blackholes/teacher/sciencebackground.html (accessed 7 July 2020).
Steinberg, Daniel, Paula Hendry, and Greg Helms. No Escape: The Truth about Black Holes. 8 Jan. 2004. 7 July 2020 <http://amazing-space.stsci.edu/resources/explorations/blackholes/teacher/sciencebackground.html>.
%A Daniel Steinberg %A Paula Hendry %A Greg Helms %T No Escape: The Truth about Black Holes %D January 8, 2004 %U http://amazing-space.stsci.edu/resources/explorations/blackholes/teacher/sciencebackground.html %O text/html
%0 Electronic Source %A Steinberg, Daniel %A Hendry, Paula %A Helms, Greg %D January 8, 2004 %T No Escape: The Truth about Black Holes %V 2020 %N 7 July 2020 %8 January 8, 2004 %9 text/html %U http://amazing-space.stsci.edu/resources/explorations/blackholes/teacher/sciencebackground.html
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