What are the roles of different space agencies in lunar exploration?

The Moon is a large body that orbits planet Earth, being Earth's only permanent natural satellite. It is the fifth-largest natural satellite in the Solar ... Jul 26, 2022 ... Moon Wallpaper Explore more Atmosphere, Earth's, Moon, Natural Satellite, Planet wallpaper. https://www.whatspaper.com/moon-wallpaper-7/ ... Jun 15, 2010 ... The moon was probably formed after a massive space collision with a planet-sized object billions of years ago, in what Nasa described as the “big whack”. Nov 15, 2024 ... ... natural satellites 1 Planetary ring system No. Orbital parameters. Semimajor axis (106 km) 149.598 Sidereal orbit period (days) 365.256 ... Feb 11, 2025 ... The greenhouse effect is a natural process that warms the Earth's surface. When the Sun's energy reaches the Earth's atmosphere, some of it ... ... planet by shading incoming solar radiation. The cooling effect can sometimes ... natural space environment, including the Sun and the interplanetary and planetary ... Earth's natural satellite ... The moon and the captured asteroid are the only natural satellites of Earth. The moon is roughly 4 times smaller than Earth, and it ... In the Solar System, there are six planetary satellite systems containing 418 known natural satellites altogether. Seven objects commonly considered dwarf ... Refers to planet, natural satellite, spacecraft, Sun, barycenter, or other ... Major Bodies (planets, natural satellites, spacecraft, special cases):. Several nations and private companies are planning to launch missions to the Moon, each with their own objectives and challenges.