Содержание
- 2. Mars Mars is the fourth planet from the Sun in the Solar System. It is often
- 3. Trip to Mars is an old dream of mankind. During it travels may open new natural
- 4. Mars is unknown planet, that hides a lot of secrets. Currently we know, that life on
- 5. Life on Mars is very different from life on Earth. The main difference is gravity, temperature,
- 6. During a trip to Mars, many things can go wrong. For example breakage of equipment. Large
- 7. Trip will be important for human civilization, if one takes the first step to another planet
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