Early NASA Timeline

Here are my notes from Gene Kranz' book "Failure is Not an Option" about the Early History of NASA's Mercury, Gemini, and Apollo Space Programs (click on pictures to enlarge or right click and open in a new window for full resolution).







Note: Click the link if you'd like to view (all the video footage from the Apollo Lunar Landings and EVA's on the surface of the Moon) as well.


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The Morality Scale

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Special Relativity

What happens if a ball is traveling at a universally constant speed, say measured to be 50 mph straight up relative to the people on a bus thats moving 40 mph relative to a sidewalk, but also measured at 50 mph at a 3-4-5 triangle relative to the people on the sidewalk?
In that case the ball exhibits a "special relativity" as it travels at a constant speed relative to all observers, which means either time is technically dilated or the bus length is technically shortened:
This phenominon of Special Relativity time dilation has been shown to exist for the decay times of particles in atom blasters:

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Gravitational Collisions

Here is a representation of elastic and inelastic collisions using an experimental air track system and collision magnets: Here are the initial steps for reducing a 2 dimensional elastic collision down to a 1 dimensional elastic collision: Here is an example problem of the additional steps for solving a 1 dimensional elastic collision: Here is my own depiction of the dynamic gravitational forces on a rocket performing a planetary flyby: This shows the way in which a gravitational interaction can be modeled similar to a collision with the center of mass at the more massive body (gravitational collisions are a more complicated process as linear and angular momentum as well as gravitational kinetic energy may or may not be conserved all depending on the specific parameters, perhaps aerobraking or rocket propulsion are taken into account, and other effects such as magnetic forces and light or plasma radiation play an effect too depending on the circumstances): Here is an artist's depiction of the longterm gravitational trajectories that asteroids tend to take as they interact with planets and moons:

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Apollo Moon Footage

Apollo 11

Apollo 12

Apollo 13 (didn't land)

Apollo 14

Apollo 15

Apollo 16

Apollo 17


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