Explanation: The dark nebula SH2-136 appears to be celebrating Halloween all of the time. The complex process of star formation create dust clouds of many shapes and sizes -- it is human perception that might identify a ghoulish creature, on the right of the above image, chasing humans. Halloween's modern celebration retains historic roots in dressing to scare away the spirits of the dead. Since the fifth century BC, Halloween has been celebrated as a cross-quarter day, a day halfway between an equinox (equal day / equal night) and a solstice (minimum day / maximum night in the northern hemisphere). With our modern calendar, however, the real cross-quarter day will occur next week. Another cross-quarter day is Groundhog Day and Walpurgis Night.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: Halloween - dark nebula - Pylevaya tumannost' - temnaya tumannost' Publikacii so slovami: Halloween - dark nebula - Pylevaya tumannost' - temnaya tumannost'
Sm. takzhe: IC 348 i Barnard 3 LDN 43: tumannost' Kosmicheskaya Letuchaya Mysh' Temnaya bashnya v Skorpione Temnye tumannosti v Hameleone Tumannost' "Temnaya shtuchka" Temnaya tumannost' Lindsa LDN 1251 LBN 86: tumannost' Skat-orlyak Vse publikacii na tu zhe temu >>