cirrus cloud

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feathery cirrus clouds over Pinawa Dam Provincial Park

Learn about the four main types of clouds formed at different altitudes

Discover

Panama Canal infographic

Timeline and Map of the Panama Canal

King Cobra snake in Malaysia. (reptile)

9 of the World’s Deadliest Snakes

Monitor. Varanus salvadorii is a monitor lizard found in New Guinea can grows to 2.7 metres (9 ft.) aka Tree crocodile, Crocodile monitor, Salvadori's monitor, artellia, reptile

7 of the World’s Most Dangerous Lizards and Turtles

The impeachment trial of Pres. Andrew Johnson, illustration from Frank Leslie's Illustrated Newspaper, March 28, 1868.

What If the President Is Impeached?

Indian hijras participate in a religious procession in Gandhinagar, India, some 30 kilometers from Ahmedabad, on March 22, 2017. Hijra is a term used in South Asia which refers to transgender individuals who are born male. (gender identity, gender expression)

6 Cultures That Recognize More than Two Genders

The Battle of Gettysburg, July 1-3, 1863. (Civil War, Pennsylvania)

9 Worst Generals in History

Orange basketball on black background and with low key lighting. Homepage 2010, arts and entertainment, history and society

The 10 Greatest Basketball Players of All Time

cirrus cloud

cloud

Learn about this topic in these articles:

contrails

In contrail
…to form a layer of cirrus cloud. On rare occasions, when the air is nearly saturated with water vapour, air circulation at the wing tips of an airplane may cause sufficient pressure and temperature reductions to cause cloud streamers to form.
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description

In cloud
…(42,500 to 16,500 feet), are cirrus, cirrocumulus, and cirrostratus. Middle clouds, 7 to 2 km (23,000 to 6,500 feet), are altocumulus and altostratus. Low clouds, 2 to 0 km (6,500 to 0 feet), are stratocumulus, stratus, and nimbostratus. A cloud that extends through all three heights is
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In climate: Cloud types
Cirrus
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