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Letter from the editor

The Lunar Dust Puzzle

"Particles ranging in size from tens of nanometers to tens of micrometers, called dust particles, are one of the most common components of the Universe. Our knowledge suggests that the dust that is observed in the Universe and the solar system did not form immediately after the Big Bang. Modern cosmic dust is a product of the evolution of the Universe, particularly the supernova explosions..." – By Alexander V. Zakharov

Space Resource Utilization

"Since the beginning of the space age in the 1950s, a multitude of satellites, remote sensing probes, landers, and surface rovers have been sent to destinations beyond our planet. These spacecraft, in conjunction with extraterrestrial samples brought by robotic and human missions and with meteorites collected on Earth, have provided a basic understanding of the geological evolution of the planets and of a number of moons, asteroids, and comets of the Solar System. ..." – By Angel Abbud-Madrid

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