1 light hour like how a light year is how far light travels in a year.
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Light travels through space at a constant speed of about 186,282 miles per second, or about 671 million miles in one hour.
Currently, people live aboard the International Space Station (ISS) for extended periods of time conducting scientific research. In the future, there are plans to establish permanent human habitats on the moon and Mars.
Stars emit light through a process called nuclear fusion, where hydrogen atoms in the star's core are fused together to form helium, releasing energy in the form of light. This continuous fusion process enables stars to emit light and heat.
Cirrus clouds are light and feathery clouds that form high in the atmosphere. They are composed of ice crystals and are often seen on sunny days, indicating fair weather.
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Clouds that are white and feathery in appearance are called cirrus clouds. They are high-altitude clouds composed of ice crystals and are often a sign of fair weather.