Читать книгу Universe: The story of the Universe, from earliest times to our continuing discoveries - Peter Grego - Страница 12

We are all separated from the vacuum of space by just a few kilometres of breathable atmosphere. Earth spins on its axis once every 24 hours and revolves around the Sun once a year at a speed of more than 107,000 km/hour, accompanied by the Moon.

A crescent Earth rises over the rugged lunar surface, photographed by the crew of Apollo 17.