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30 years of SOHO staring at the sun | Space photo of the day for Dec. 2, 2025
- SOHO has now spent 30 years observing the sun from the Sun-Earth L1 point, marking a long-running space mission.
- Since its 1995 launch, SOHO has provided close solar monitoring and helped study the sun’s corona and interior.
- SOHO’s LASCO coronagraph has made SOHO the leading comet hunter, detecting thousands of comets to date.
- SOHO weathered early mission challenges in 1998 but remained functional and extended beyond its original three-year plan.
- SOHO has tracked solar activity through nearly three solar cycles, informing space weather and aurora forecasts.
- SOHO’s mission has broadened helioseismology and solar physics understanding over time.
- The anniversary coincides with ongoing publications and showcases about SOHO’s impact on solar science.
- Space.com frames the milestone with quotes from ESA scientists about SOHO’s science impact.
- SOHO’s long-running observations continue to inform understanding of the Sun-Earth connection.
- The Space.com feature underscores SOHO’s dual role as science instrument and comet hunter.
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