Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...
Astronomers have counted roughly two trillion galaxies in the observable universe, each home to hundreds of billions of stars. Multiply those figures together, and the total number of stars dwarfs ...
Look up at the sky on a clear night, and you'll see thousands of stars – about 6,000 or so. But that's only a tiny fraction of all the stars out there. The rest are too far away for us to see them.
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