Image of RX J1856.5-3754, the closest known neutron star, showing a faint blue dot (the neutron star) within a red cone-shaped nebula. The nebula is formed from ionized hydrogen atoms and is a result of the neutron star's movement through interstellar space. The image is from the European Southern Observatory's Kueyen telescope.

Astronomy Picture from 25/10/2000

The Nebula And The Neutron Star

Source: https://apod.nasa.gov/apod/ap001025.html


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