Explanation: What's causing the unusual ray of white light extending upward from the central horizon? Dust orbiting the Sun. At certain times of the year, a band of sun-reflecting dust from the inner Solar System rises prominently before sunrise and is called zodiacal light. The dust originates mostly from faint Jupiter-family comets and slowly spirals into the Sun. Pictured, in front of the zodiacal light, is a spectacular view of Horseshoe Bend of the Colorado River. Emitted from well behind the zodiacal light is a spectacular sky that includes many bright stars including Sirius, several blue star clusters including the Pleiades, and an assortment of red nebula including Barnard's Loop in Orion. The 30-image composite was taken earlier this month in nearly complete darkness only six inches from the edge of a dangerous cliff.

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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: zodiacal light - zodiakal'nyi svet Publikacii so slovami: zodiacal light - zodiakal'nyi svet
Sm. takzhe: Zodiakal'nyi svet s Veneroi i Yupiterom Mlechnyi Put' i zodiakal'nyi svet nad kamennymi shpilyami v Avstralii Duel' na nochnom nebe Zodiakal'naya noch' Zodiakal'nyi svet i Mars Mlechnyi Put' nad kamennymi shpilyami v Avstralii Mlechnyi Put' i zodiakal'nyi svet nad Chili Vse publikacii na tu zhe temu >>