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NASAKSN - The Zero (2003)
NASA Kids Science News segment explaining the zero and how it works.

Genre: Educational
Keywords: NASA Kids Science News; Mathmetician; Zero; Mayans; Negative Numbers; Multiply; Addition; Indian; Numbers; Symbols;
Duration: 00:00:58
Popularity (downloads): 1430
 
NASA Connect - Ancient Observatories: Timeless Knowledge (2005)
NASA Connect video containing four segments as described below. NASA Connect segment explaining the foundations of astronomy and the how the Earth moves relative to the sun. This segment explains...

Genre: Educational
Keywords: NASA Connect; Archaeoastronomy; Geometry; Angles; Obtuse; Acute; Right; Sun; Earth; Four Seasons; Summer; Fall; Winter; Spring; Summer Solstice; Fall Equinox; Winter Solstice; Spring Equinox; Gnomon; Sundials; Student Activity; Shadows; Navajo; Petroglyphs; Mayan; Zodiac; Mayan counting system; Roman Numerals; Mathematics; Ancient Observatories; AO;
Duration: 00:28:31
Popularity (downloads): 2749
 

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