TARS: Sunlight-Powered Space Slingshot Could Propel Tiny Probes to the Stars

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6 hours ago

September 10, 2025

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Astronomer David Kipping has proposed TARS, a sunlight-driven space slingshot. Using reflective panels spun in space, it can fling small probes at escape speed. Though Alpha Centauri is over a thousand years away, this simple, fuel-free idea could pave the way for future interstellar missions.

Science

Scientists Say Missions to Interstellar Comets Like 3I/ATLAS Are Feasible With Existing Tech

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4 hours ago

September 10, 2025

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A Southwest Research Institute study reveals that chasing interstellar comets like 3I/ATLAS is achievable with current rockets and instruments. Such missions could collect data on comet nuclei and comae, providing clues to the formation of other star systems. International collaborations make these rare, high-value missions increasingly realistic.

Science

InSight Mission Uncovers Chaotic Structure Locked Inside Mars’ Interior

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5 hours ago

September 10, 2025

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NASA’s InSight mission uncovered Mars’ mantle as chaotic and fractured, resembling a Rocky Road brownie rather than a layered planet. Seismic data revealed ancient fragments, some over 4 km wide, preserved by a rigid crust for more than four billion years. The findings offer fresh insights into Mars’ explosive past and the evolution of rocky planets.

Science

Newly Discovered Comet Lemmon Could Soon Be Visible With Binoculars

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5 hours ago

September 10, 2025

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Astronomers discovered Comet Lemmon (C/2025 A6) in January, and it could soon become visible to skywatchers. Passing closest to Earth on October 20, 2025, the comet may brighten to binocular range or possibly to the naked eye. Its evolving coma and tail promise an exciting celestial show.