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Today in History: IKAROS Successfully Demonstrates Solar-Sail Technology at Venus

12/8/2025

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Summary

Story summary

On December 8, 2010, Japan's IKAROS spacecraft successfully flew by Venus, coming within 80,800 km. This marked a significant achievement as IKAROS was the first spacecraft to demonstrate solar sail technology in interplanetary space, utilizing sunlight for propulsion. The mission showcased innovative advancements in space exploration.

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Story summary

On December 8, 2010, Japan's IKAROS spacecraft successfully flew by Venus, coming within 80,800 km. This marked a significant achievement as IKAROS was the first spacecraft to demonstrate solar sail technology in interplanetary space, utilizing sunlight for propulsion. The mission showcased innovative advancements in space exploration.