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Translate this PageCarnegie @PCC features a series of public lectures on hot astronomical/physics topics and research. These lectures are given by scientists including astronomers from Carnegie Observatories.
Upcoming Lectures
Carnegie @ PCC is sponsored by the Pasadena City College Division of Natural Sciences.
Past Events
Hubble's Troublesome Constant
Fall 2020
Dr. Chris Burns, Research Associate, Carnegie Observatories
Nearly 100 years ago, Carnegie astronomer Edwin Hubble made two truly revolutionary discoveries. First, that our Milky Way was only one of many galaxies in a vast universe; and second, that the farther these galaxies were from us, the faster they appeared to be moving away. The ratio between these speeds and distances, which we now call the Hubble Constant, is a fundamental quantity that sets the scale for the size and age of the entire cosmos. For decades, its precise value has been a source of contention among astronomers. Even today, with the most powerful telescopes at our disposal, tension between different groups remains. Dr. Burns will cover the history of Hubble’s troublesome Constant and how we are trying to pin it down.
The DNA of Galaxies
November 20, 2019 at 6:30 pm
Dr. Allison L. Strom, Carnegie Fellow, Carnegie Observatories
Like people, each of the billions of galaxies in the Universe has developed its own unique traits over a complicated lifetime. Until recently, astronomers have only been able to study galaxies closest to the Milky Way in any detail, leaving much of the Universe's history a mystery. Dr. Strom will show how astronomers are now using the world's largest telescopes to determine the chemical DNA of even very distant galaxies, and how this information is answering key questions about how galaxies like our own formed and evolved.
A New Tool to Map Entire Galaxies
October 16, 2019 at 6:30 pm
Dr. Rosalie McGurk, Fellow in Instrumentation, Carnegie Observatories
All the popular images of galaxies, while beautiful, do not provide the information that astronomers need to measure the galaxies’ inherent properties, like the dynamics and composition of their stars and gases. Using the latest technological advances, Dr. McGurk is building a new, custom-designed instrument for Carnegie Observatories' Magellan Telescopes that will peer into the Universe with extreme detail – making it possible to efficiently make 3D maps of galaxies, nebulae, and more.
Glimpses of the Cosmic Dawn
September 18, 2019
Dr. Alexander Ji, Hubble Fellow, Carnegie Observatories
Astronomers have mapped almost the entire history of our Universe, from the Big Bang to the present day. One last frontier remains: an epoch known as Cosmic Dawn, when the first stars and galaxies were born and changed the universe forever. Dr. Ji took us on a short tour of the early history of our Universe and the current glimpses we have of this era.
