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Betelgeuse, one of the most familiar stars in the sky, may have a hidden companion star orbiting it

Astronomers have observed what they believe to be a never-before-seen companion star orbiting Betelgeuse, a pulsating red supergiant star in the shoulder of the Orion constellation. One of the best ...
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Why the Sky is Blue and the Universe is Black – Unveiling the Cosmic Secrets

Why is the sky blue on Earth, yet space appears pitch black? This video uncovers the science behind one of nature’s most ...
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Photoshop Tutorial: How to Replace a Burnt-out Sky in a Photo.

Photoshop CC 2017 tutorial showing how to create a blue sky with feathery clouds from scratch and use it to replace a burnt-out sky in a photo. ➤ Get 15% off BORIS FX OPTICS! - The BEST special ...