On the detectability of antimatter propulsion spacecraft
- Cite this article as:
- Harris, M.J. Astrophys Space Sci (1986) 123: 297. doi:10.1007/BF00653949
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It is shown that the NASA Gamma-Ray Observatory will be able to detect large interstellar spacecraft at distances up to ∼ 300 pc by the γ-ray emission from the propulsion system alone. The distance limit is set by the possibility of recognizing such objects by their proper motions.