- Earth (Planet)
- Apollo 17 (Spacecraft) (1)
- Arabic manuscripts (1)
- Clouds (1)
- Geodesy (1)
- Gravitational fields (1)
- Mathematics, Arab (1)
- Saturn (Planet) (1)
- Solar system (1)
- Space exploration (1)
- United States. National Aeronautics and Space Administration (1)
Type of Item
The Celestial Threads
Yazep Drazdovich (1888–1954), a versatile figure in the history of Belarusian culture, worked in different areas of art as a painter, sculptor, ethnographer, archeologist, and teacher. One of the founders of the school of national historical painting, he was called a Belarusian Leonardo Da Vinci and a Belarusian Tsiolkovskii (after the Russian and Soviet scientist and pioneer of astronautics). Drazdovich’s passionate desire to unlock the secrets of the night sky led him to formulate his own theory on the origin of the planets in the solar system. He ...
Earth, as Seen by Astronauts Eugene Cernan, Ronald Evans and Harrison Schmidt from Apollo 17
The Apollo 17 mission, which took place December 7-19, 1972, was the last of the missions to the moon carried out in the late 1960s and early 1970s by the U.S. National Aeronautics and Space Administration (NASA). Astronauts Eugene A. Cernan, Ronald B. Evans, and Harrison H. Schmitt undertook the mission, which lasted 12 days, 13 hours, and 52 minutes and included a lunar surface stay of 75 hours. The lunar landing site was the highlands and valley area of Taurus-Littrow (20º 16’ north latitude, 30º 77’ east longitude ...
General Rules in the Science of Measurement
This manuscript, probably dating from the 17th century, preserves only a section of what appears to have been an extensive and complete treatise on practical geometry. The title on the second page of the manuscript in fact states that it is “the third section of the book of the General Rules in the Science of Measurement.” The larger work of which this is a part consisted of four introductory essays, five chapters, and a conclusion. The author is unknown, as the opening of the treatise where indications of authorship might ...