, exact phrase.
PNe - V5
Artwork of an imaginary planetary nebula. This is a
glowing shell of gas cast off by a star near the end of its life. The star can be
seen at the centre of the nebula. The Sun will one day form a planetary nebula, once its internal stock of hydrogen ...
Keywords:
Adobe Photoshop, astrophysics, death, exoplanet, extrasolar planet, planetary ne...