A potential spacecraft called Icarus Pathfinder would be powered by VASIMR engines, taking it out to 1,000 AU (1AU is the distance between the Earth and sun). Obtaining the exotic fuels needed for ...
Morning Overview on MSN
Why we still can’t reach the stars: brutal physics trapping us in the solar system
Humanity has learned to fling machines to the edge of the solar system, but the stars remain stubbornly out of reach. The ...
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