⊕ is a solar symbol, an equilateral cross inside a circle. It is also use to represent the Earth, and as a logical operator to mean an exclusive disjunction.
(XOR: one, not both nor none)
⊕ can also mean the direct sum of n matrics, or the Kronecker sum.
AS11-36-5293 70mm Hasselblad image from Appollo 11 Details
AS11-36-5313 70mm Hasselblad image from Appollo 11 Details
AS11-44-6692 70mm Hasselblad image from Appollo 11 Details
AS11-44-6693 70mm Hasselblad image from Appollo 11 Details
This comprehensive handbook provides an overview of space technology and a holistic understanding of the system-of-systems that is a modern spacecraft. Details
Throughout this site open-source code is used. Below is a list of sources.
Mechanical & Aerospace Engineering
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