... Described as a "dusty curtain" or "ghostly apparition", mysterious reflection nebula VdB 152 really is very faint. ... Planetary Nebula PK 164 31 . ... The bubble of expanding gas pictured above is the planetary nebula PK 164 +31.1, the remnants of the atmosphere of a Sun-like star expelled as its supply of fusion-able core hydrogen became depleted. ... Seen at the center of the cosmic cloud, the star is a mere 3 to 4 million years old. ... NGC 206 and the Star Clouds of Andromeda . ...