RX J1856.5−3754
Star in the constellation Corona Australis
RX J1856.5−3754
RX J1856.5−3754 (also called RX J185635−3754, RX J185635−375, and various other designations) is a neutron star in the constellation Corona Australis. At approximately 400 light-years from Earth, it is the closest neutron star discovered to date.
Read on Wikipedia · Image NASA/SAO/CXC/J.Drake et al., Public domain
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