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…
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…
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…
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…
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…
You Too Can Grow Giant Mushrooms in Your Basement!
Well, not actually but come join us and grow the tech to settle space. Contribute to the blog! Attend our monthly meetings in person or online.
Spaceports in Space where they belong!
Spaceports in the desert sound dusty? Would you put seaports in the desert? How about Space Ports in Space? -- Here's PDF links for original articles on line exclusive to…
Sierra Nevada’s “Dream Chaser” Build
Sierra Nevada Corp. opened part of its plant in Louisville in October 2019 to the public to celebrate the arrival of the primary structure of Dream Chaser, a winged craft…
NASA Planetary Science
NASA’s planetary science program is engaged in one of the oldest scientific pursuits: the observation and discovery of our solar system’s planetary objects. We undertake this enterprise in order to…