Listen and watch a discussion about the importance of digital libraries in scientific research.

Watch a discussion of how a data cube shows gas moving at all velocities, throughout an entire astronomical object.

QuickTime movie presents a discussion of the expansion of the universe under Hubble's law.

Hear and watch a QuickTime movie discussion of the galaxy cluster that is a member of the Virgo supercluster.

View a film in which a researcher describes the importance of high speed data communication links for future progress in radio astronomy.

Describes the Big Bang theory as it is generally agreed upon by scientists. View a QuickTime film on the separation of forces.

Watch a video about the Laser Interferometer Gravitational Wave Observatory, hoping to reveal sources of gravitational waves from the cosmos.

Watch a QuickTime movie in which a Princeton University scientist discusses the role of gravity in the creation of the universe's galaxies.

Watch a video about Astronomical Image Processing System for comparing images from telescope data to those from celestial phenomena.

View a discussion from a University of Illinois scientist about testing Einstein's General Theory of Relativity concerning gravitational waves.

Find a QuickTime movie about the formation of the universe and the origin of the rough qualities of the cosmos.

Discover photos, video clips, reports, news and facts about solar cycles and how they impact the earth.

Watch a short lecture about the work of astrophysicists to make large-scale surveys of part of the universe.