It's all about longing for the unattainable. I hope it's nebulous enough.[link]
Another entrant into the SF tarot card contest at Seventh Sanctum. The Nebula of Longing was one in a string of depressing generator results, which included the World of Loneliness, the Blue Android, the Black Hole of Sadness, the Sad Scholar, the Dying Terraformer, the Weeping Scientist, the Last Mutant, the Quasar of Oh My God I'm going to Slit My Wrists I Can't Believe How Many Depressing Results I'm Generating and so on.