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Bullet Galaxies and Dark Matter

SETI Institute

Tuesday, February 18, 2014 from 12:00 PM to 1:00 PM (PST)

Bullet Galaxies and Dark Matter

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Event Details

Tuesday, February 18 2014 - 12:00 pm, PST

Bullet Galaxies and Dark Matter

Marusa Bradac
UC Davis

bullet galaxy
One of the greatest accomplishments in recent astrophysics is the
creation of a model for the complete inventory of the Universe. All
the observational data tells us with extremely high certainty that
ordinary matter (every particle ever detected by every person who ever
lived) makes up only one fifth of all the matter there is. The rest
goes by the popular name of dark matter. Because it is dark, dark
matter has been notoriously hard to detect; it doesn't emit or reflect
radiation such as light or heat, and it can have only the feeblest of
interactions with itself and ordinary matter. So how do we know it is
there? In this talk, I will discuss how astronomers observe the invisible
matter in one of the true gems on the sky: a giant cluster of galaxies also called the Bullet Cluster.


Have questions about Bullet Galaxies and Dark Matter? Contact SETI Institute

When & Where

SETI Institute
189 N Bernardo Ave
Mountain View, CA 94043

Tuesday, February 18, 2014 from 12:00 PM to 1:00 PM (PST)

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SETI Institute

The mission of the SETI Institute is to explore, understand and explain the origin, nature and prevalence of life in the universe.

We believe we are conducting the most profound search in human history — to know our beginnings and our place among the stars.

The SETI Institute is a nonprofit corporation founded in 1984 (California Corporation #1261957). The Institute is a scientific and educational organization governed by the provisions of Section 501(c)(3) of the U.S. Internal Revenue Code, and the Institute's Federal identification number for reporting and tax purposes is 94-2951356.

The Institute welcomes support from private foundations or other groups/individuals interested in SETI. Each funded effort (135 separate multi-year projects funded since 1984) is supervised by a principal investigator who is responsible to the Board of Trustees for the conduct of the activity.


Presenting Sponsor (2016): Leonard Tramiel


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Bullet Galaxies and Dark Matter
Mountain View, CA Events Conference

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