NASA Funds New Interstellar Concept

NASA Funds New Interstellar Concept
NASA via AP

For millennia, skygazers have imagined what it might be like to wander among the stars. Long considered a quixotic pipe dream, interstellar travel is now taking shape as a quantifiable engineering challenge for space scientists around the world.

Last week, NASA's Innovative Advanced Concepts (NIAC) program awarded Phase I funding (roughly $125,000) to two proposals outlining propulsion systems that could enable future spacecraft to sail the extrasolar seas.

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