by STAO ADMIN | Nov 12, 2019
The Moon is visible at some point during most nights. If you observed the Moon from one night to the next you would notice that the Moon rises 50 min later each night. With close observation you would see a little bit more or a little bit less of the Moon each night,...
by STAO ADMIN | Nov 12, 2019
The sky has been mystifying civilizations for thousands of years. Many civilizations have performed religious ceremonies and timed agricultural activities based on celestial events such as eclipses and full moons. Arguably the most important benefit of making...
by STAO ADMIN | Nov 12, 2019
An astrolabe illustrates how the sky looks at any given time of day and throughout the year. This is accomplished by drawing the sky (star patterns) on the astrolabe with moveable parts to adjust for the date and time. The traditional sky map astrolabe allowed people...
by STAO ADMIN | Nov 12, 2019
The International Astronomical Union classifies solar system bodies into three categories: planets, dwarf planets, and small solar system bodies (including comets, asteroids, and meteoroids). There are eight planets in the solar system with two distinct groupings. The...
by STAO ADMIN | Nov 12, 2019
In this demo, a polyethylene rod is charged by rubbing with wool. The charged rod is then used to bend a stream of water flowing from a tap. Different substances have different attractions for electrons. When two materials are rubbed together, electrons will leave the...
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