SPACE TRAVEL
Monday, May 4, 2009
Space travel is nothing but the stimulated travel in the solar system. Learning about spacecraft can be very interesting. But really it is too hard. Everyone has the interest to learn about space secrets. Especially they want to know about the experiences while travel to space. One has to know some of the basic essentials of space travel, they are:
• They have to know where a spacecraft gets energy.
• How a spacecraft moves in space
• How astronauts can survive in space
• How a spacecraft re-enters Earth
• The dangers of space travels
• Different types of missions
• Different types of spacecraft
Although space travel can beneficial to mankind, but there are dangers as well. Sometimes solar and cosmic radiation and micrometeorites may puncture a spacecraft hull or an astronaut’s pressure suit. Loss of air in the vacuum of Space is another threat and serious accidents might happen as a result of this. Another important factor is the extreme temperature of space which creates a great threat for the humans. From freezing cold darkness to boiling hot sunlight, the unpredictable environment of Space requires equipment to be carefully and properly designed. It is very difficult to keep people alive in Space.

