Astronomers unveil epic X-ray map of the Universe

Excerpt: After sweeping the sky for six months, eROSITA has charted more than one million sources of X-ray radiation, including gigantic black holes, galactic clusters and the remnants of supernova explosions, many of which are new to science.

The Universe seen in X-ray vision

The newest map of the sky charted in high-energy X-rays offers a glimpse of what the Universe would look like if seen with X-ray vision. Researchers created the image using data from an instrument called eROSITA (Extended Roentgen Survey with an Imaging Telescope Array), part of the German–Russian satellite mission Spectrum-Roentgen-Gamma.

After sweeping the sky for six months, eROSITA has charted more than one million sources of X-ray radiation, including gigantic black holes, galactic clusters and the remnants of supernova explosions, many of which are new to science.

Researchers hope that a detailed map in this part of the spectrum will offer new ways to track the Universe’s expansion and to study the mysterious repulsive force called dark energy. The telescope will survey the X-ray sky for another 3.5 years.

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