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 ...
Look up! You don’t want to miss the ‘planetary parade’
This month, six of the planets will be visible in the night sky in an event called a planetary parade. Here’s how kids can ...
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Which planet is closest to the sun?
But of these planets, which is nearest to the sun? Mercury is a strange little world. There are some craters on its surface that never see sunlight. It also has the most extreme temperatures of ...