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Gaia Telescope Uncovers Mysterious Wave in Milky Way

10/3/2025

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Summary

Story summary

The European Space Agency's Gaia telescope reveals a vast wave rippling through the Milky Way, affecting stars 30,000 to 65,000 light-years from the center.
The discovery was published in Astronomy and Astrophysics on July 14, 2025, noting a stadium-wave pattern.
Origin remains uncertain; a past collision with a dwarf galaxy is a hypothesis; Radcliffe Wave relation is unclear.

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Story summary

The European Space Agency's Gaia telescope reveals a vast wave rippling through the Milky Way, affecting stars 30,000 to 65,000 light-years from the center.
The discovery was published in Astronomy and Astrophysics on July 14, 2025, noting a stadium-wave pattern.
Origin remains uncertain; a past collision with a dwarf galaxy is a hypothesis; Radcliffe Wave relation is unclear.