The Mystery of Dark Energy | The von Kármán Lecture Series: 2008 | NASA

submitted by Marvin's Underground Evening Lectures on 10/06/18 1

In 1998, two groups presented startling evidence that the expansion of the universe is accelerating, and the term "dark energy" was coined as a label for the cause of the acceleration. What is the nature of this mysterious component that we now believe makes up more than 70 percent of the energy density of the universe? What types of evidence for dark energy are there, and how solid is it? What techniques will yield better answers? What are the next steps? These are a few of the questions that have captured the attention of cosmologists as well as the general public. This talk will attempt to explain the questions and a few of the answers. Speaker: Dr. Michael Seiffert JPL Research Scientist Credits: NASA/JPL-Caltech Source: www.jpl.nasa.gov/events/lectures_archive.php?year=2008&month=12 The von Kármán Lecture Series General Information The Theodore von Kármán Lecture Series, named after JPL's founder, and presented by JPL's Office of Communication and Education, brings the excitement of the space program's missions, instruments and other technologies to both JPL employees and the local community. Lectures take place twice per month, on consecutive Thursdays and Fridays. The Thursday lectures take place in JPL's Theodore von Kármán Auditorium and are streamed live via Ustream, and Friday lectures take place at Pasadena City College's Vosloh Forum. Both start at 7:00 PM. Admission and parking are free for all lectures, no reservations are required, and seating is limited. Support the Channel vie BOOK DEPOSITARY Shopping Book Depository: Millions of books with free delivery worldwide www.bookdepository.com/?a_aid=Booklibrary FOLLOW THE CHANNEL ON TWITTER twitter.com/FREESPACELIVE Enjoy, Share, Like and Subscribe:)

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