Carlton R. Pennypacker
astrophysicist
Carlton R. Pennypacker is an astrophysicist at the University of California, Berkeley and the Lawrence Berkeley Laboratory and is the principal investigator for the Hands On Universe project.
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
He was awarded the Prix Jules Janssen of the French Astronomical Society in 2010.
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.
“Carlton R. Pennypacker” enters the record as astrophysicist. Crown Archives preserves that source wording while asking what Carlton, Pennypacker and astrophysicist can confirm, complicate or overturn.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Jul 31, 2025. The linked authority identifier is Q5043049. VIAF identifies the subject as 48807071. The Library of Congress control number is no94042840. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2010, 1978, 2007 and 2015.
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This entry incorporates text from “Carlton R. Pennypacker” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.