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Benjamin Dean Astronomy Lectures
Mapping the Universe: The Sloan Digital Sky Survey
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Mapping the Universe: The Sloan Digital Sky Survey
Monday, September 9, 7:30 pm
Morrison Planetarium
Featuring Juna Kollmeier, Carnegie Institution for Science
The Sloan Digital Sky Survey is an unprecedented all-sky spectroscopic survey of over six million objects. It is designed to decode the history of the Milky Way galaxy, trace the emergence of the chemical elements, reveal the inner workings of stars, and investigate the origin of planets. SDSS will also create a contiguous spectroscopic map of the interstellar gas in the Milky Way and nearby galaxies that is 1,000 times larger than the state of the art.
About Juna Kollmeier
Juna Kollmeier intended to be a lawyer until she went to what she calls “nerd camp” and learned how to write code to classify stars. Now she’s going further than she once thought possible, as director of the upcoming fifth phase of the Sloan Digital Sky Survey.
Her research is primarily focused on the emergence of structure in the universe. She uses a combination of cosmological hydrodynamic simulations and good old fashioned analytic theory to figure out how the tiny fluctuations in density that were present when the universe was only 300 thousand years old, become the galaxies and black holes that we see after 14 billion years of cosmic evolution. She considers herself an observationally-oriented theorist, in that she makes predictions that can be explicitly compared to current and future observations.
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About the planetarium
From outer space to Earth's inner core, explore the universe from Morrison Planetarium's 75-foot digital dome.
