Mars One Habitat Size

Mars One’s original concept includes launching a robotic Mars lander and Mars orbiter as early as 2020, to be followed by a human crew of four in 2024, and one in 2026 which would not be returning to Earth. Although the announcement garnered much international publicity, the concept has been criticized by scientists, engineers, and […]

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Planet Pluto Drawing

It is the ninth-largest and tenth-most-massive known object directly orbiting the Sun. It is the largest known trans-Neptunian object by volume but is less massive than Eris. Like other Kuiper belt objects, Pluto is primarily made of ice and rock and is relatively small—about one-sixth the mass of the Moon and one-third its volume. It […]

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