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Pitch black sky turned blue color as object enters atmosphere over US

On Saturday morning, residents in a US state were stunned to see the pitch black sky seemingly turn into a gorgeous blue color.

Published Jul 27, 2022 1:12 AM CDT

Residents in Indiana and other states noticed the sky turn a strange blue color on July 23, and now we know why.

A video uploaded to the American Meteor Society (AMS) shows a somewhat large meteoroid entering Earth's atmosphere at high speeds and bursting into flames as it soared across the night sky. The event was recorded by the AMS, and according to its website, the fireball was spotted by 155 people across multiple states such as Kentucky, Missouri, Iowa, Wisconsin, Michigan, and more.

So, why did the meteoroid cause the sky to turn into a blue color? When a meteoroid enters Earth's atmosphere, it experiences a high level of friction with Earth's dense atmosphere. This friction is increased as the meteor gets closer to Earth's surface, and as a result, the meteor catches fire - turning into a fireball. The brightness of the meteor is determined by the speed and size of the space debris.

As explained perfectly by The Conversation, "The kinetic energy an object carries is proportional to its mass multiplied by its velocity squared, meaning that minuscule grains moving really fast carry vast amounts of energy. That energy is converted to light, which is what we see when a meteor flashes in the night sky."

Pitch black sky turned blue color as object enters atmosphere over US 01 |
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Jak joined the TweakTown team in 2017 and has since reviewed 100s of new tech products and kept us informed daily on the latest science and space news. Jak's love for science, space, and technology, and, more specifically, PC gaming, began at 10 years old. It was the day his dad showed him how to play Age of Empires on an old Compaq PC. Ever since that day, Jak fell in love with games and the progression of the technology industry in all its forms. Instead of typical FPS, Jak holds a very special spot in his heart for RTS games.

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