Although you've surely seen it, you might not have noticed it. During a cloudless twilight [
http://www.hyperdic
], just before sunrise [
http://antwrp.gsfc.
] or after sunset [
http://antwrp.gsfc.
], part of the atmosphere above the horizon appears slightly off-color, slightly pink. Called the Belt of Venus [
http://www.weather-
], this off-color band between the dark eclipsed [
http://antwrp.gsfc.
] sky and the blue sky [
http://www.sciencem
] can be seen in nearly every direction including that opposite the Sun. Straight above, blue sky [
http://www.why-is-t
] is normal sunlight reflecting off the atmosphere. In the Belt of Venus [
http://epod.usra.ed
], however, the atmosphere reflects light from the setting (or rising) Sun which appears more red. The Belt of Venus [
http://en.wikipedia
] can be seen from any location with a clear horizon. Pictured above, the Belt of Venus was photographed above morning fog [
http://antwrp.gsfc.
] in the Valley of the Moon [
http://www.vmoa.ken
], a famous wine-producing region in northern California [
http://en.wikipedia
], USA [
http://www.cia.gov/
]. The belt is frequently [
http://antwrp.gsfc.
] caught [
http://antwrp.gsfc.
] by [
http://antwrp.gsfc.
] accident [
http://antwrp.gsfc.
] in [
http://antwrp.gsfc.
] other [
http://antwrp.gsfc.
] photographs [
http://antwrp.gsfc.
].
Explanation
Although you've surely seen it, you might not have noticed it. During a cloudless twilight [
http://www.hyperdic
], just before sunrise [
http://antwrp.gsfc.
] or after sunset [
http://antwrp.gsfc.
], part of the atmosphere above the horizon appears slightly off-color, slightly pink. Called the Belt of Venus [
http://www.weather-
], this off-color band between the dark eclipsed [
http://antwrp.gsfc.
] sky and the blue sky [
http://www.sciencem
] can be seen in nearly every direction including that opposite the Sun. Straight above, blue sky [
http://www.why-is-t
] is normal sunlight reflecting off the atmosphere. In the Belt of Venus [
http://epod.usra.ed
], however, the atmosphere reflects light from the setting (or rising) Sun which appears more red. The Belt of Venus [
http://en.wikipedia
] can be seen from any location with a clear horizon. Pictured above, the Belt of Venus was photographed above morning fog [
http://antwrp.gsfc.
] in the Valley of the Moon [
http://www.vmoa.ken
], a famous wine-producing region in northern California [
http://en.wikipedia
], USA [
http://www.cia.gov/
]. The belt is frequently [
http://antwrp.gsfc.
] caught [
http://antwrp.gsfc.
] by [
http://antwrp.gsfc.
] accident [
http://antwrp.gsfc.
] in [
http://antwrp.gsfc.
] other [
http://antwrp.gsfc.
] photographs [
http://antwrp.gsfc.
].
Explanation