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A stunning blue light likely caused by SpaceX Falcon 9 rocket fuel illuminated the night skies over Europe on Monday.
Ever wondered why the sky is blue? It's not just a reflection of the ocean! Sunlight, seemingly white, is a mix of colors. As it enters Earth's atmosp ...
Blue light has a shorter wavelength, due to which it’s scattered more easily by the tiny molecules in the air. This scattering, known as Rayleigh scattering, is why we see a blue sky during the day.
How to see the northern lights—and why they’re showing up more recently. The aurora borealis and aurora australis have dazzled us in the night sky for centuries.Here’s what causes them—and ...
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