Solar Minimum is Coming
High up in the clear blue noontime sky, the sun appears to be much the same day-in, day-out, year after year.But astronomers have long known that this is not true.…
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Solar Minimum is Coming
Implementing the NSS Vision
Exciting News! Our Sacramento L5 Society has an article published in the National Space Society Magazine! Implementing the NSS Vision We, a consensus of the members of the Sacramento L-5…
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Implementing the NSS Vision
Oberth effect
In astronautics, a powered flyby, or Oberth maneuver, is a maneuver in which a spacecraft falls into a gravitational well, and then accelerates when its fall reaches maximum speed. The…
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Oberth effect
Tsiolkovsky rocket equation
The Tsiolkovsky rocket equation, or ideal rocket equation, describes the motion of vehicles that follow the basic principle of a rocket: a device that can apply acceleration to itself (a…
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Tsiolkovsky rocket equation
IDL TIFF file
It is the business of the future to be dangerous…
It is the business of the future to be dangerous; and it is among the merits of science that it equips the future for its duties. — Alfred North Whitehead…
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It is the business of the future to be dangerous…
Ed Kulis Visits the Kennedy Space Center
Fantastic trip! Here's some of the surprises: The VAB Vehicle Assembly Building - you can't tell how large it is. I've heard the NASA wanted Life Magazine photographers to photograph…
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Ed Kulis Visits the Kennedy Space Center
Starship Century by James Benford and Gregory Benford
Good Reading!Starship Century: Toward the Grandest HorizonEdited by James Benford and Gregory BenfordStarship Century is a ground‐breaking anthology of science and science fiction based on findings and discussions of the 100‐Year Starship…
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Starship Century by James Benford and Gregory Benford