armillary sphere astronomical instrument by ontogenie science jewelry
Armillary sphere pendant in brass by ontogenie science jewelry
model wearing brass armillary sphere pendant ontogenie
Armillary sphere pendant in brass by ontogenie science jewelry
Armillary sphere pendant in brass by ontogenie science jewelry
Armillary sphere pendant in brass by ontogenie science jewelry
armillary sphere pendant sterling silver Ontogenie Science Jewelry
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Armillary Sphere Pendant - Astronomy

Regular price$146.00
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Material

An Armillary Sphere is an ancient astronomical device, originating from China in the 4th century BC and Greece in the 3rd century BC. It depicts the positions of celestial objects in the sky. The pendant is based on the Ptolemaic armillary sphere, placing Earth at the center, in contrast to the Copernican armillary sphere, where the Sun is at the center. One complete rotation of the central axis of the Ptolemaic armillary sphere represents 24 hours. The three narrow central bands correspond to the equatorial ring, the Tropic of Cancer and the Tropic of Capricorn. The wider band wrapping around the set of three is the ecliptic ring, representing the signs of the zodiac and the annual path of the sun.

The Armillary Sphere Pendant is approximately 2.5 cm (1 inch) in diameter. The central axis rotates inside the two exterior rings.

The pendant is 3D printed in interlocking solid sterling silver, bronze or brass, finished with a 45 cm/18 inch long sterling silver or gold plated silver chain*, and is ready for gift giving with a gift box, polishing cloth, and care instructions. 

*While a 45 cm/18 inch fits most, other chain lengths are available. At checkout, write a note indicating your preference.

All orders totaling over 50 Euros ship free. Orders under 50 Euros cost 5.50 Euros for shipping.

If you live outside of the EU, you may be charged import fees on your order by your local customs authority.

**Orders to the United Kingdom of more than 135 GBP/158 Euro will incur import duties that must be paid by the customer at the time of receipt of the package in the UK. If you do not pay the import duties, the jewelry will be destroyed or returned, and your order will not be refunded.**

T-shirts, mugs, hoodies and art prints typically ship within 2-7 days from a printing company near you. After fulfilment, your shipment should arrive in 3-10 business days. Shipping is free.

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