Carlton R. Pennypacker
Dr. Pennypacker has been motivated by the power and potential of student and scientist partnerships when teachers and students started discovering supernovae in the Hands On Universe project. Some of his discoveries have been featured in the news media 
Dr. Pennypacker has spent much of his career as a research astrophysicist, receiving his Ph.D. from Harvard in 1978. His principal research was the studying of supernovae and the building of techniques for their automated discovery. With Rich Muller, he co-founded the Berkeley Supernova Search, which later became the Supernova Cosmology Project. He shared the 2007 Gruber Prize in Cosmology and the 2015 Breakthrough Prize in Fundamental Physics for the Supernova Cosmology Project's discovery that the expansion of the universe is accelerating.
- "Archives: Sun-Sentinel - A Star Bursts In Virgo". Archived from the original on 2012-11-03. Retrieved 2017-07-05. Cite uses deprecated parameter
- "Archives: OrlandoSentinel.com - Astronomers Spot Supernova In The Virgo Cluster". Archived from the original on 2012-11-03. Retrieved 2017-07-05. Cite uses deprecated parameter
- "Saul Perlmutter & the Supernova Cosmology Project".
- "Breakthrough Prize". Archived from the original on 2016-09-13. Retrieved 2014-11-12. Cite uses deprecated parameter
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