Unit 1. The universe / ISS VIDEO

Earth is our planet, and for us could be huge. But it is not at all in comparison with the rest of the universe.

The universe is made of galaxies. Our galaxy is called the MILKY WAY. Look at it:

To test the effects of living in space, astronauts stay on space station like the International Space Station (ISS). If you want, you can see what astronauts are doing there in this right moment.


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