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Perihelion – The point closest to the Sun is the orbit of a body in motion around the Sun (when rotating around the Earth, a similar point is called perigee).
Perihelion – The point closest to the Sun is the orbit of a body in motion around the Sun (when rotating around the Earth, a similar point is called perigee).
Lewis Carroll writes about military space programmes, policy, technology and the industry that supports the sector. He spent nearly two decades covering the military, the Pentagon, Congress and the defence industry as a journalist for Space Chatter magazine.