Photo courtesy of ESA/Hubble
                                A neutron star photographed by the Hubble Space Telescope.

Photo courtesy of ESA/Hubble A neutron star photographed by the Hubble Space Telescope.

BPAA presents ‘LIGO: How to Catch a Gravitational Wave’

  • Monday, December 3, 2018 9:36am
  • Life

The Laser Interferometer Gravitational-Wave Observatory recently detected a disturbance in the space-time continuum caused by two neutron stars crashing together. The three scientists responsible for this achievement won the 2017 Nobel Prize in physics.

What is the Laser Interferometer Gravitational-Wave Observatory? What does it do? What did it find? And, why is this important?

At the planetarium show “LIGO: How to Catch a Gravitational Wave,” Frank Petrie and Jim Thrash will explain how LIGO provides a tantalizing glimpse into the strange world of Einstein’s general relativity, confirms a 100-year-old prediction of gravitational waves, and opens the door to the new field of gravitational-wave astrophysics.

The show, presented by the Battle Point Astronomical Association, is 7:30 p.m. Saturday, Dec. 8 at the Edwin E. Ritchie Observatory in Battle Point Park. Admission is free to BPAA members; a $2 donation is suggested for nonmembers, $5 for families.

There will also be a special kids show, “Spy Science,” from 4 to 6 pm with Dr. Erica Saint Clair.

If the sky is clear, astronomers will be on hand with telescopes.

The BPAA is a nonprofit amateur astronomy organization that operates the Ritchie Observatory and John H. Rudolph Planetarium in the Helix House at Battle Point Park.

For more information, call 206-842-9152 or visit www.bpastro.org.

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