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Rare Planetary Collision Detected 11,000 Light-Years Away

3/16/2026

Summary

Story summary

Astronomers have detected a rare collision between two planets around the star Gaia20ehk, about 11,000 light-years from Earth.
Observations show unusual flickering in the star's brightness, signaling debris passing in front of Gaia20ehk.
Infrared data indicate the debris is extremely hot, pointing to a massive impact.
The debris cloud orbits at a distance similar to Earth’s distance from the Sun, with researchers planning future studies to explore these dynamics.

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Story summary

Astronomers have detected a rare collision between two planets around the star Gaia20ehk, about 11,000 light-years from Earth.
Observations show unusual flickering in the star's brightness, signaling debris passing in front of Gaia20ehk.
Infrared data indicate the debris is extremely hot, pointing to a massive impact.
The debris cloud orbits at a distance similar to Earth’s distance from the Sun, with researchers planning future studies to explore these dynamics.