A rare planetary alignment is lighting up the night sky—here’s how to see it
Though the planets are always “aligned,” seeing more than four in the sky is more uncommon. February’s lineup is a chance to ...
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Rare blue supermoon to light up the sky
A blue supermoon will light up the sky on Monday, in a rare event that is expected to be one of the biggest and brightest moons of the year. A blue moon is not named after the colour, but for the ...
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It Takes The Entire Rainbow Of Colors To Make The Sky Blue. Here's Why.
It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something called the Rayleigh effect, or Rayleigh scattering. But that same ...
Millions of Americans can see a total lunar eclipse in March: Here's what to know
Hundreds of millions of Americans will have the chance in March to see the first total lunar eclipse in nearly three years.