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…
Fuel and Drink on Enceladus
Ted Talks is a great site to see enthusiasm for technical and intellectual excellence. Check out Carolyn Porco: This is Saturn where Carolyn describes the water on Enceladus and the thick hydrocarbons on Titan. Nice…
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…
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…