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08 tunguska Tunguska: Viewed from above, the detonation of the Tunguska impactor over Siberia shortly after 7 A.M. on June 30, 1908.  40 seconds
09 tunguska side view Tunguska Side View: The Tunguska impactor begins its fiery descent into Earth's atmosphere moments before detonation.  12 seconds
10 asteroid belt Asteroid Belt: Lurking in a zone between Mars and Jupiter is a group of minor planets concentrated in the plane of the ecliptic.  A few asteroids fly over the viewers head as a slight tilt downward reveals oncoming bodies.  40 seconds
11 solar system formation Origin Of The Solar System: Bipolar gas jets emanate from the disk in which our Solar System is forming.  We enter the solar nebula, pass Kuiper Belt objects and planets in formation.  We arrive at Earth in time to witness the Great Whack and watch the Earth cool from a semi-molten mass to the ocean-covered world we know today.  Jupiter, Saturn, Earth and Mars images courtesy of JPL/NASA-Caltech. 140 seconds
12 algol Algol: The two stars comprising Algol revolve around their center of mass.  The orbital tilt, on approach, matches that as seen from Earth, allowing the stars to exhibit the mutual eclipses which have made this binary famous.  The view shifts slightly for the viewer, allowing the orbits of the pair to be viewed more clearly.  89 seconds
13 black hole Black Hole: A solar-mass black hole expels high-speed jets of gas.  66 seconds
14 theia collision Collision with Theia: The hypothetical Mars sized body, as it collides with early Earth depicting the scientific hypothesis for the formation of the Moon.  41 seconds
Click on images to view sample Quicktime movies of each sequence
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