A handful of private firms submitted testimony to Congress touting the potential uses of solar electric propulsion at a hearing on in-space propulsion held last week by the U.S. House of Representatives’ subcommittee on space.

SEP systems could replace chemical propulsion for use in deep space exploration, but experts say the technology needs more improvement to become a viable propulsion option…

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Kendra R Chamberlain
Editor and analyst at The Enterprise Orbit, covering new space business and technology developments; freelance journalist covering telecom, renewable energy technology & smart infrastructure.