Celestial sphere
Snapback Cap
Snapback Cap is in stock. We will print it as soon as you order it.
Delivery time: 13/05/2024 - 17/05/2024 (Standard)
Retro-style baseball cap. Adjustable size with snapback strap, flat headpiece. 100% polyester. Brand: Beechfield
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Product Details
- Peaky visor and flat crown!
- adjustable to size on its back
- lower visor in contrasting green
- Material: 100% polyester
Product dimensions measured on a flatly laid out product.
Tip: measure an item of clothing at hand to compare.
4.3 Total stars
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Celestial sphere
The celestial sphere is an imaginary sphere of arbitrarily large radius, concentric with the Earth and rotating upon the same axis. All objects in the sky can be thought of as projected upon the celestial sphere. Projected upward from Earth's equator and poles are the celestial equator and the celestial poles. The celestial sphere is a very practical tool for positional astronomy.