By Ron Miller
Ever considering humans appeared up on the evening sky and discovered that a few of these twinkling lighting fixtures have been in reality different worlds, they've got desired to go back and forth into area and probe for themselves. as soon as people devised how one can depart Earth and discover the universe, many of the exploration was once performed by way of robots. those semi-intelligent machines despatched again images and knowledge from different worlds. This improvement was once intriguing, and the knowledge have been important to technology, however it used to be now not kind of like being there. A satellite tv for pc in orbit, sending again photos of Earth under, isn't the comparable as being an astronaut aboard an orbiting area go back and forth, digital camera in hand.Robot explorers are less expensive than sending people into house, and nobody’s existence is ever in danger. yet that’s no longer constantly the main worthy strategy to discover. people have regularly desired to see issues firsthand—to see a wierd new panorama with their very own eyes, to select up a rock with their very own palms. And human exploration has merits. the most merits profit human intelligence and human interest. No laptop will ever come to the bottom of a hill and imagine, “I ask yourself what’s at the different side?”This publication is ready the folks and machines that experience enabled people to take these first, tentative steps clear of our domestic international. it truly is approximately how people were capable of see with their very own eyes what’s at the different aspect of that hill at the Moon or on Mars.
__________С тех пор, как люди стали смотреть на ночное небо и осознали, что некоторые из тех мерцающих огней являются на самом деле другими мирами, они хотели путешествовать в космос и исследовать эти миры. Эта книга рассказывает о людях и машинах, которые позволили людям совершить первые робкие шаги за пределы земной атмосферы. Из неё читатель узнает, как люди смогли увидеть своими глазами другие миры, включая Луну и Марс. Издание содержит множество отличных иллюстраций.
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It was developed from Wernher von Braun’s Redstone rocket. The Saturn V was enormous, standing 363 feet (111 m) high and weighing, at takeoff, 6,423,000 pounds (2,913,500 kg). Everything about the rocket was big. The five F-1 engines in the first stage produced about 7,650,000 pounds (3,470,000 kg) of thrust. It sucked about 3 tons (3 metric tons) of fuel and oxidizer every second from their massive tanks. This was forty times the power of the rocket that had launched Alan Shepard into space. Collins pressed a switch, and the two spacecraft gently parted.
It would have had stubby, knifeedged wings and a small tail. Researchers conducted many tests with wind-tunnel models, but the entire project never got off the ground. The efforts of Sänger and Bredt weren’t wasted, however. Much of their research helped in the early development of later spaceplanes such as the X-15 and the space shuttle. 36 Its liquid-fuel engine was not powerful enough to enable the little aircraft to take off under its own power, so it had to be towed aloft by another airThe experimental MX-324 was the plane.
The United States immediately started a program to get a satellite into orbit as soon as possible. A satellite launcher called Vanguard had many embarrassing failures. ) After the Vanguard’s failures, von Braun received approval to do what he had wanted to do all along. He could assemble a satellite launcher from the existing, well-proven rockets he had been helping the army develop. In the meantime, Russia launched a second satellite, Sputnik 2. This satellite carried a dog named Laika into orbit.
Space Exploration by Ron Miller