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A ‘Very Old’ Structure Found Beyond Neptune Could Change How We See the Solar System
Astronomers might have found evidence of a structure located farbeyond Neptune, potentially giving us clues about the solar system’s primordial past. This discovery involves a dense concentration of ...
The ribbon solar sail will be a solar sail design using a thin film strip embedded with diffractive gratings. It is a NASA Innovative Advanced Concepts (NIAC) project. This configuration leverages ...
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