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Inner (lower) planets – at the moment, these are the two planets Mercury and Venus. Due to the fact that their orbits are inside the Earth’s orbits, they are always closer to the Sun than the Earth.
Inner (lower) planets – at the moment, these are the two planets Mercury and Venus. Due to the fact that their orbits are inside the Earth’s orbits, they are always closer to the Sun than the Earth.
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.