Abell 30: a born-again planetary nebula.
Image credits: Main image: X-ray: ESA/XMM-Newton;
optical: NSF/NOAO/KPNO; inset: NASA/CXC/IAA-CSIC/M. Guerrero et al;
Astronomers have found evidence for a dying Sun-like star coming briefly back to life after casting its gassy shells out into space, mimicking the possible fate our own Solar System faces in a few billion years. (read more)