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Neutron Star Merge

Binary systems containing neutron stars are born when the cores of two orbiting stars collapse in supernova explosions. Neutron stars pack the mass of our sun into the size of a city. They are so dense and packed so tightly that the boundaries atoms nuclei disappear. In such systems, Einstein's theory of general relativity predicts that neutron stars emit gravitational radiation, ripples of space-time. This causes the orbits to shrink and gradually brings the neutron stars closer together. Shown here is such a system after about 1 billion years, when two equal-mass neutron whirl around each other at 60,000 times a minute. The stars merge in a few milliseconds, sending out a burst of gravitational waves and a brief, intense gamma-ray burst.
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This animation shows the merger of two neutron stars from a horizontal perspective.  Theory predicts that these kinds of collisions would not produce a long afterglow because there isn't much    This animation shows the merger of two neutron stars from a horizontal perspective. Theory predicts that these kinds of collisions would not produce a long afterglow because there isn't much "fuel" -- dust and gas -- from the objects and in the region to sustain an afterglow
Duration: 20.0 seconds
Available formats:
  960x540     WEBM         4 MB
  720x486     QT         186 MB
  720x486     Frames (Merge Horizontal)
  720x480     MPEG-2   13 MB
  640x480     MPEG-1   12 MB
  720x486     MPEG-4   2 MB
  320x240     MPEG-1   3 MB
  320x180     PNG           79 KB
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This animation shows the merger of two neutron stars from a vertical perspective.    This animation shows the merger of two neutron stars from a vertical perspective.
Duration: 23.0 seconds
Available formats:
  960x540     WEBM         5 MB
  720x486     QT         193 MB
  720x486     Frames (Merge Vertical)
  720x480     MPEG-2   18 MB
  640x480     MPEG-1   14 MB
  720x486     MPEG-4   4 MB
  320x240     MPEG-1   3 MB
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This animation shows another neutron star merger and the gravity waves it produces.  After the gamma-ray burst, the new, more massive neutron star is visible spinning at an increased rate.    This animation shows another neutron star merger and the gravity waves it produces. After the gamma-ray burst, the new, more massive neutron star is visible spinning at an increased rate.
Duration: 40.0 seconds
Available formats:
  960x540 (59.94 fps) WEBM         9 MB
  720x486 (59.94 fps) QT         214 MB
  720x486 (30 fps) Frames (Merge Waves)
  720x486 (59.94 fps) QT         39 MB
  720x480 (29.97 fps) MPEG-2   29 MB
  720x486 (29.97 fps) MPEG-4   8 MB
  352x240 (29.97 fps) MPEG-1   8 MB
  720x486     JPEG         32 KB
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Short URL to This Page:http://svs.gsfc.nasa.gov/goto?10543
Animation Number:10543
Completed:2010-01-19
Animator:Dana Berry (Skyworks Digital) (Lead)
Producer:Erica Drezek (HTSI)
Series:Astrophysics Animations
Please give credit for this item to:
NASA/Goddard Space Flight Center
 
Keywords:
SVS >> Gamma Ray
SVS >> Gravity
SVS >> HDTV
SVS >> Neutron Star
DLESE >> Space science
SVS >> Astrophysics
SVS >> Gravitational Waves
SVS >> Universe
SVS >> Swift
NASA Science >> Universe
 
 


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Many of our multimedia items use the GCMD keywords. These keywords can be found on the Internet with the following citation:
Olsen, L.M., G. Major, K. Shein, J. Scialdone, S. Ritz, T. Stevens, M. Morahan, A. Aleman, R. Vogel, S. Leicester, H. Weir, M. Meaux, S. Grebas, C.Solomon, M. Holland, T. Northcutt, R. A. Restrepo, R. Bilodeau, 2013. NASA/Global Change Master Directory (GCMD) Earth Science Keywords. Version 8.0.0.0.0

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