Transparent Celestial Star Globe School Geology Class Geography Teaching Aids Learning

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Transparent celestial globe


Transparent Celestial Star Globe 13cm
Unique globe design gives visual reference to aid the astronomer's conception of Earth in space. Shows constellations and many other cosmic phenomena in 3-D format. The Universal Celestial Globe is mounted in a full horizon and meridian base. Both the 13cm (diameter) star globe and 5 cm world globe may be rotated independently. The meridian may be tilted to adjust the globe for latitude while the horizon ring indicates the actual horizon in relation to the point of observation on Earth. The Sun may be set by adjusting the sun know located near the North Pole. Nine different classroom activities using the Celestial Globe can easily be performed in a class period. Topics include: Using the Globe as a Sun Dial, your relationship to the Universe, Seasons, Latitude and Longitude, and Right Ascension and Declination.

Includes a detailed Study Guide with nine different classroom activities. National Standards Correlation sheet is included.

The Celestial Globe is designed to properly illustrate the relationship of what someone on Earth would see when they look up to the sky. Imagined that you are tiny person standing on the surface of the Earth sphere under the clear globe. Everything is relative to that specific point of view . In other words, the globe is constructed such that if you point it North, set the date and time, then look through the globe , the constellations you will see through the globe are the same ones you will see up in the sky. Since everything is relative to the the user, setting up the Celestial Globe for use is actually quite simple. The first step is to orient the tilt of the globe (ie: set the latitude). To set the Globe for a given spot on Earth, just position the sphere and turn the knob until the desired location (North America for Boston) is facing straight up. This will orient the clear sphere properly at the appropriate latitude. Where the stars are at different times is then just a matter of moving the clear globe to the desired time marker. To do that, just set the month of the year. This is done by rotating the clear surface until the desired month marking aligns with the time dial. This has the effect of shifting the clear constellations sphere until the right ones are "up in the sky." With the Celestial Globe properly set up, it can now be used it to visualize all kinds of apparent astronomical movements.





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