American Educational Transparent Celestial Globe, 12" Diameter (300) LED counters

LED counters

Adjustable Voltage: 0-60V

) against damaging current and transient voltage spikes commonly produced by less efficient

radioactive particles and biological contaminants

Available with one or two balloons attached to Y-tube for simulating lungs

American Educational Transparent Celestial Globe, 12" Diameter (300) LED countersTransparent 12" celestial globe maps constellations for students studying astronomy in grades 5 12 Printed 3. 3" earth globe and 3 4" yellow sun mounted inside the star globe rotate independently and demonstrate the earth's apparent relationship to the stars, planets, and galaxies Poles adjust for the month and day to show the positions of the stars relative to the calendar Mounted in full horizon and meridian base for stability Teacher's guide