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How Big Is Space?

Kids Astronomy Facts Kids 125...

A NASA scientist explains what we know — and don’t know — about the size of the cosmos.

The Biggest Volcano Ever Is In Space!

Kids Astronomy Geology Kids 110...

Jessi and Sam the Bat talk about the biggest volcano ever that we know of. And it's not on Earth.

The Colours Of Stars

Kids Science Nature Astronomy

Sam the Bat noticed that some stars are different colors, so Mister Brown teaches him about what colors stars can be, and what all the colors mean!