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Stars and galaxies for kids

Zoom out from our solar system to the Milky Way and beyond.

All lessons

A spiral galaxy rendered in the Astraviator simulator

What is a galaxy? The Milky Way for kids

What is a galaxy and what is the Milky Way? Types of galaxies, how big they are, what a light-year is, and a free printable worksheet for kids.

More lessons coming soon.

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Fly to the Moon (free)

The free 3D simulator lets kids build a real Moon rocket, launch it and land on the Moon, in any browser.

Play the free demo

Space Workbook for kids

Printable fact sheets, quizzes with answers, a space passport and activities for 29 destinations, with the full simulator included.

See the Space Workbook

Facts: NASA and other space agencies, rounded for readability. Images: Astraviator simulator renders. Astraviator is not affiliated with or endorsed by NASA.