Lightning is about five times hotter than the surface of the Sun
A lightning channel can reach around 30,000 degrees Celsius. The surface of the Sun is about 5,500 degrees Celsius.
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A lightning channel can reach around 30,000 degrees Celsius. The surface of the Sun is about 5,500 degrees Celsius.
Read the full fact →Teaching at Oxford is recorded as early as 1096, while the Aztec city of Tenochtitlan was founded in 1325.
Read the full fact →The earliest shark-like fish appeared more than 400 million years ago. The first trees appeared roughly 350 to 385 million years ago.
Read the full fact →A desert is defined by how little precipitation it gets, not by heat. Antarctica, especially its interior, receives very little rain or snow.
Read the full fact →Iron expands when it heats up, so on very hot days the tower can gain around 15 centimetres in height.
Read the full fact →Researchers have linked this to differences in the stretchiness of the wombat's intestines, which shape the droppings into cubes as they dry.
Read the full fact →Science
A bolt can briefly heat the air around it to temperatures far above the surface of the Sun.
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