The Cancer Constellation

Cancer is one of the zodiac constellations, found near the other constellations of Gemini, Lynx, Leo Minor, Hydra, and Canis Minor. The constellation is a…
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Cancer is one of the zodiac constellations, found near the other constellations of Gemini, Lynx, Leo Minor, Hydra, and Canis Minor. The constellation is a…
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Scorpius is one of the zodiac constellations, getting its name from the Latin word for scorpion, which is what the constellation somewhat resembles. Scorpius is…
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The rotating plane-symmetric potential field is an approximation of gravitational field for several different celestial bodies in the Solar system, including the circular restricted three-body…
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Spacecraft travel at high speeds and have to “brake” before landing onto a planet. When the planet has an atmosphere, aerodynamic drag can be utilized…
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Cassini Mission scientists were thrilled when they got permission for a “sneak peek” at Saturn’s mysterious moon Iapetus on New Year’s Day 2005. Soon after…
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The in-situ exploration of small celestial bodies in our Solar System is the current frontier of space exploration. Among these objects, the Near Earth Asteroid…
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Mars is typically considered too cold and dry to harbor any extant lifeforms. However, on Earth, microorganisms such as bacteria are found in the most…
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The surface of the Moon is pitted with a myriad of small impact craters (Figure 1). An important characteristic of lunar surface geology is the…
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Large asteroid families are usually the product of a collision between two bodies. Fragments of the parent body are ejected with terminal ejection velocities that…
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Hundreds of thousands of asteroids are orbiting our Sun with different orbital periods according to their mean distance to the Sun, or semimajor axis. All…
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The recent space missions devoted to the exploration of the so-called “minor bodies” (i.e., comets, asteroids, and dwarf planets), comprising ESA Rosetta and NASA Dawn,…
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