Interstellar Space
Interstellar space is the vast expanse of space that exists beyond our solar system. It is the region of space that lies between stars and contains only a very low density of matter, primarily gas and dust. Interstellar space is also characterized by the presence of cosmic rays, which are high-energy particles that originate from outside our solar system. The study of interstellar space is important for understanding the evolution of galaxies and the formation of stars and planets. It also has implications for space travel, as interstellar space presents significant challenges for spacecraft due to the lack of resources and the harsh radiation environment.
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News Source: USA Today on 2025-06-12
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