Hubble's image shows NGC 3201, a globular cluster of stars discovered in 1826 by James Dunlop, noted for its size and irregular centre. This Hubble image shows RS Puppis, a Cepheid variable star that ...
Over time, the densest regions of the nebula will remain, and stars and planets may form there. This image captured by NASA's Hubble Space Telescope shows the upper 2.5 light-years of the nebula, ...