Dr. David A. Williams
Videos featuring Dr. Williams
1) Why We Choose to Explore Space (4:37 minutes)
Description: In this video Dr. Williams discusses the reasons a nation and its people choose to explore space. Reasons include: science, national prestige, national security, national economics, sustainability, education and inspiration, and human survivability. Accompanying graphic HERE
Made: August 20, 2023
Video Format: MP4, H.264
Duration: 4:37 min
Frame size: 1792×1120
Audio: AAC kbps; 32,000 Hz
Frames/sec: 25
File size: 16.7 MB
Why We Choose to Explore Space
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2) NASA Structure and Role in Exploration (4:04 minutes)
Description: In this video Dr. Williams discusses the structure of NASA, the US civilian space agency, its various mission directorates, and a deep dive into the Science Mission Directorate and its divisions. Accompanying graphic HERE
Made: August 20, 2023
Video Format: MP4, H.264
Duration: 4:04 min
Frame size: 1792×1120
Audio: AAC kbps; 32,000 Hz
Frames/sec: 25
File size: 14.5 MB
NASA Structure and Role in Exploration
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3) How We Explore the Solar System (Robots to Humans) (10:21 minutes)
Description: In this video Dr. Williams discusses how we explore the Solar Ststem, first with different types of robotic spacecraft (flybys, orbiters, landers, rovers, sample return) leading to human missions. Then he shows a table showing how these spacecraft have explored the planets, moons, asteroids comets, and dwarf planets of our Solar System. Accompanying graphic HERE
Made: August 20, 2023
Video Format: MP4, H.264
Duration: 10:21 min
Frame size: 1792×1120
Audio: AAC kbps; 32,000 Hz
Frames/sec: 25
File size: 28.4 MB
How We Explore the Solar System (Robots to Humans)
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4) What Are Asteroids? (12:43 minutes)
Description: In this video Dr. Williams discusses what asteroids are, the families of asteroids relative to location in the Solar System, with examples of some Near Earth Asteroids (NEAs). He then briefly overviews the spectral classes, shows an overview table of spacecraft exploration of asteroids, and a graphic including several small asteroids with a size comparison to planets. Accompanying graphic HERE
Made: August 20, 2023
Video Format: MP4, H.264
Duration: 12:43 min
Frame size: 1792×1120
Audio: AAC kbps; 32,000 Hz
Frames/sec: 25
File size: 38.5 MB
What Are Asteroids?
Right-click and select “Save As…” or “Download Linked File As…” to download file.
