Eleanor Lutz: A Map of Mercury Poster Space Exploration revealing intricate lunar craters hundreds

revealing intricate lunar craters hundreds of meters in diameter

Space Enthusiasts: Experience Cutting-Edge Astronomy Daily

a residual warmth from its formation

Known scientifically as Barnard 33

Eleanor Lutz: A Map of Mercury Poster Space Exploration revealing intricate lunar craters hundredsA Map of Mercury by Eleanor Lutz Mercury is the smallest terrestrial planet in the solar system less than half the diameter of the Earth. Mercury is also the closest planet to the sun and completes a full orbit revolution in just 88 Earth days. INTERIOR STRUCTURE: Mercury is a heavily cratered planet with no atmosphere and a surprisingly dense internal structure. At least part of Mercury's metallic core is probably liquid metal, and the size of this