NASA Chandra X-Ray Observatory Neturon Star Merger
NASA’s Chandra X-ray Observatory has been gathering data on the kilonova – a powerful event that occurs when two neturon stars merged – associated with GW170817 since shortly after it was first detected in gravitational waves by the Laser Interferometry Gravitational-wave Observatory (LIGO) and Virgo on August 17, 2017. This was the very first cosmic event where both gravitational waves and electromagnetic radiation, or light, were detected. Read more for the full image and additional information.


NASA Chandra X-Ray Observatory Neturon Star Merger
The data being investigated provides scientists with critical information about the physics of neutron star mergers and related phenomena, while using observations at many different parts of the electromagnetic spectrum. NASA’s Chandra X-ray Observatory is the only one still able to detect light from this rarely observed cosmic collision more than four years after the original event. Astronomers believe that after neutron stars merge, the debris generates visible and infrared light from the decay of radioactive elements like platinum as well as gold, and this burst of light is called a kilonova.

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Celestron - AstroMaster 114EQ Newtonian Telescope - Reflector Telescope for Beginners - Fully-Coated Glass Optics - Adjustable-Height Tripod - Bonus Astronomy Software Package


Celestron – AstroMaster 114EQ Newtonian Telescope – Reflector Telescope for Beginners – Fully-Coated Glass Optics – Adjustable-Height Tripod – Bonus Astronomy Software Package

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The fact that the X-rays stopped fading quickly was our best evidence yet that something in addition to a jet is being detected in X-rays in this source. A completely different source of X-rays appears to be needed to explain what we’re seeing. This would either be the first time we’ve seen a kilonova afterglow or the first time we’ve seen material falling onto a black hole after a neutron star merger,” said Joe Bright, co-author from the University of California at Berkeley.