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LIGO Overview


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Watch Einstein's Messengers on the Web



Imagine a glimpse into the birth of an entirely new field of astronomy.  

  • Who are the people involved?    
  • What scientific theories are at work?
  • How do scientists meet the challenge of measuring a signal that has never been detected?

Einstein's Messengers explores these questions as it documents the unfolding story of LIGO, the Laser Interferometer Gravitational-wave Observatory

LIGO searches for the ripples of space-time called gravitational waves. Albert Einstein first predicted these waves in his 1916 general theory of relativity, but for years their effects were regarded as too small to measure. LIGO, supported by the National Science Foundation, now participates in an international quest to uncover the messages that gravitational waves will bring from highly energetic distant events. These messages may revolutionize our understanding of black holes, neutron stars and the processes that formed the universe.