Icy Enigma Between Mars and Jupiter | Protoplanet Ceres | Ceres, 590 miles (950 kilometers) in diameter, is thought to be a surviving protoplanet, or planetary embryo, formed 4.57 billion years ago in the earliest days of our solar system. A year on Ceres is 4.6 Earth years long. Ceres rotates every 9 hours and 4 minutes. At the start of its encounter in early 2015, the Dawn spacecraft took photos of Ceres with greater clarity than any before...
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This map of Ceres made from images taken by NASA's Dawn spacecraft shows the locations of about 130 bright areas across the dwarf planet's surface highlighted in blue. Most of these bright areas are associated with craters.
Im März 2015 erreichte Raumsonde "Dawn" das größte Objekt im Asteroidengürtel: den Zwergplaneten Ceres. Er verblüffte mit weißen Flecken und einer riesigen Pyramide. Nun machen Forscher einen Eisvulkan ausfindig, der erst vor relativ kurzer Zeit entstand.
Des scientifiques ont découvert des molécules organiques sur la planète naine Cérès
This orthographic projection shows dwarf planet Ceres as seen by NASA's Dawn spacecraft. The projection is centered on Occator Crater, home to the brightest area on Ceres. Occator is centered at 20 degrees north latitude, 239 degrees east longitude. This image was made from views Dawn took during its low-altitude mapping orbit, at about 240 miles (385 kilometers) above the surface. The image resolution is about 120 feet (35 meters) per pixel.
Ten years ago, NASA's Dawn spacecraft set sail for the two most massive bodies in the asteroid belt between Mars and Jupiter: giant asteroid Vesta and dwarf planet Ceres. The mission was designed to deliver new knowledge about these small but intricate worlds, which hold clues to the formation of planets in our solar system. Above: Dawn launched 10 years ago on Sept. 27, 2007. Credit: NASA/Sandra Joseph and Rafael Hernandez
Water Detected on Dwarf Planet Ceres | The Daily Galaxy Scientists using the Herschel space observatory have made the first definitive detection of water vapor on the largest and roundest object in the asteroid belt, Ceres. Plumes of water vapor are thought to shoot up periodically from Ceres when portions of its icy surface warm slightly. Ceres is classified as a dwarf planet, a solar system body bigger than an asteroid and smaller than a planet.