About one hour after the X-rays were seen, a telescope situated in South Africa as part of the Asteroid Terrestrial-Impact Last Alert System detected visible light from the same location.
Follow-up observations from the Gemini-North telescope on Hawaii Island and the Very Large Telescope in Chile returned redshift measurements...
...that confirmed that the burst had come from around 12.5 billion light-years away, beginning its cosmic journey to us when the universe was just 10 percent its current age.
International telescopes make me so proud of space science.
EinsteinProbe FastXRayTransient XRay FXRT EP240315a CAS Cosmology Astronomy
Follow-up observations from the Gemini-North telescope on Hawaii Island and the Very Large Telescope in Chile returned redshift measurements...
International telescopes make me so proud of space science.