
The entire surface of planet Mercury has been mapped.
Source & credit.




NGC 3918 Processing by Delio Tolivia Cadrecha
FITS data obtained from Hubble Legacy Archive (HLA).
NGC 3918 is a bright planetary nebula in the constellation Centaurus, that is called the “Blue Planetary” or “The Southerner”. It is the brightest of the far southern planetary nebulae.

