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Comet – A small object composed of dust, gas and ice that typically moves in a highly elliptical (or even parabolic or hyperbolic) orbit around the Sun.
Comet – A small object composed of dust, gas and ice that typically moves in a highly elliptical (or even parabolic or hyperbolic) orbit around the Sun.
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.