21. The Sun (14:39)

Date:
1957
Summary:
Discusses the influence of the sun upon space travel. Describes how over ninety per cent of interplanetary travel will be made in the sun's gravitational field and only small portions of each journey will be close enough to planets for their gravitation to predominate. Shows solar prominences and flares, and discusses their influence on us. (New Mexico College of A. & M.A.)

22. Range Safety and Missile Guidance (14:56)

Date:
1957
Summary:
A rocket motor operates for a short time and then the missile coasts the rest of the way up and down. Once into the coasting period there is no way to change its trajectory. Stray missiles are prevented from leaving the range by stopping their motors before the burning is scheduled to end. Some missiles can be guided from the ground. Three types of guidance systems are: Command, Beam Riding, and Homing.

23. The Viking (15:12)

Date:
1957
Summary:
Shows fueling operation, static firing, and the actual firing of the Viking missile. Pictures the recovery of the rocket after it has fallen, and explains that upper air information may be obtained by the study of the parts that are recovered.

24. High Altitude Photography (14:47)

Date:
1957
Summary:
Cameras are carried in rockets to get technical information about the flight. The resulting movies and stills provide interesting viewing in addition to their primary value. Other applications, such as meteorological predictions, beside the present usages, are suggested by some of the pictures.

25. Large Forces Acting on the Body (14:33)

Date:
1957
Summary:
Relates to rocket development the problem of getting a man out of a fast-moving aircraft with a minimum of personal injury. Illustrates this phase of rocketry with pictures of the rocket sled at Holloman Air Force Base.

26. Cosmic ray studies (15:04)

Date:
1957
Summary:
Discuses the problem of harmful effects on the human body caused by extended exposure to cosmic radiation. Describes how these effects have been studied by exposing animals, insects, eggs, and seeds to cosmic radiation at high altitudes. (New Mexico College of A. & M.A.) Film.

27. The case against Darwin (29:24)

Date:
1957
Summary:
Concludes the presentation of evidence supporting the case for Darwin, and discusses arguments against the Darwinian theory. (Palmer Films) Kinescope.

28. The importance of accepting or rejecting Darwin's theory (29:13)

Date:
1957
Summary:
Reviews the evidence on both sides and discusses the importance of the issue of accepting or rejecting Darwin's theory. Discusses the evidence in support of the conception that man is different in kind from other animals because he is rational. Stresses the significance of the entire issue. (Palmer Films) Kinescope.

29. The Earth Satellite: Part 1 (14:04)

Date:
1957
Summary:
Explains centrifugal force and its relationship to the establishment of an earth satellite. Shows the three-stage missile and the part it might play in the formation of a satellite. Outlines various possible orbits of such a satellite. (New Mexico College of A. & M.A.)

30. The Earth Satellite: Part 2 (14:10)

Date:
1957
Summary:
Discusses some of the problems related to the recovery of a multi-stage rocket used to establish and maintain an earth satellite. Describes the recovery, by parachute or glider technique, of the first two stages of a three stage missile. Outlines how the third stage of such a rocket would return to the earth. (New Mexico College of A. & M.A.)