eROSITA disentangles the solar system's X-ray glow from deep-space signals

Apr 17, 2026 - 20:22
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eROSITA disentangles the solar system's X-ray glow from deep-space signals
Max Planck Institute for Extraterrestrial Physics scientists have been able to disentangle the X-ray glow originating in our solar system from similar emission reaching us from deep space, using data from the SRG/eROSITA space telescope. Four sky maps obtained between 2019 and 2021 from a vantage point approximately 1.5 million km from Earth—approximately four times the moon's distance—enabled the extraction of solar-wind charge exchange (SWCX) emission. The research is published in the journal Science.

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