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Just How Big Is Space?
This video reveals the immensity of space by showing how its vast distances are measured and by examining the strange effects of Einstein's Theory of Relativity on space travel. Topics include the units of measure in astronomy; how scientists estimat...(more details) |
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Black Holes, Pulsars, and Other Odd Bodies
This video introduces some of the oddest objects in space: black holes, bottomless gravity pits that can trap even light; neutron stars, more massive than our Sun but packed into spheres less than ten miles across; quasars, those beacons from the daw...(more details) |
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The Sun and Stars
This video looks deep into space to learn how stars are born and how, eventually, they die. Each stage is covered: the formation of proto-stars, the nuclear ignition of main sequence stars, the cooling of red giants, the compaction of white dwarfs, a...(more details) |
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The Invisible Universe
In the darkness of space, invisible energy fills the vast regions between the stars. This video sheds light on intergalactic radio waves, microwaves, X-rays, deadly gamma rays, and other forms of energy not visible to the naked eye. Information on te...(more details) |
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Is Anybody Out There?
What are the odds that life exists elsewhere in the universe, and what are we doing to find out? Topics in this video range from the meaning of the Drake Equation and assumptions being used to narrow the vast field of stars in which scientists are se...(more details) |
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