Skip to main content

NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos

"vernier engine throttle settings were controlled using a proportional-plus-derivative
feedback loop closed around the measured vs. desired velocity magnitude as
a function of altitude, represented by the [~parabolic] descent contour"
Surveyor Spacecraft Automatic Landing System
Sam W. Thurman
AAS 04-062
Fifty Years of Orbit Determination: Development of Modern Astrodynamics Methods
Jerome R. Vetter

"in a 2–MW wind turbine, the weight of the rotor and the tower is typically about 250 tons [...] a kite generator of the same rated power can be obtained using a 500–m2 kite and cables 1000–m long, witha total weight of about 2 tons only."

Remarkable research and model (in Orbiter) of the Gemini rendezvous process

Gemini semi-optical rendezvous tutorial (v 0.3)

"Boom and Zoom: The History of the NF-104A AST"
John Terry White

It's apparent the J Terry White is defending ? vs Chuck Yeager

What is it like to be a bat?
Thomas Nagel
[From The Philosophical Review LXXXIII, 4 (October 1974):