A History of Space Travel

By Tim Lambert The beginning of space exploration In the early 20th century Konstantin Tsiolkovsky (1857-1935) realized that only a rocket could provide propulsion in the near-vacuum of space. He also proposed that a rocket should be built in stages so it would dump each stage when its fuel was exhausted. In 1926 Robert H.… Continue reading A History of Space Travel

Famous Women in the 19th Century

By Tim Lambert There were many famous women in the 19th century. Women were writers and mathematicians. They were also rulers and explorers The following is a list of some of the great women of the 19th century. Mary Kies 1752-1837 Mary Kies was the first American woman to be granted a patent Laskarina Bouboulina… Continue reading Famous Women in the 19th Century

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A Brief History of the Moon

By Tim Lambert Observing the Moon The Moon has always been visible, of course, but the Ancient Greeks were the first people to begin to understand it. About 450 BC, an Ancient Greek called Anaxagoras realized that the Moon does not shine with its own light. Instead, its light is reflected from the Sun. Another… Continue reading A Brief History of the Moon

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A History of The Planet Mars

By Tim Lambert The observation of Mars The planet Mars was named after the Roman god of war. However, it was impossible to observe any details on Mars until the telescope was invented. Galileo was the first person to turn a telescope on Mars in 1610. The telescope Galileo had was not powerful enough to… Continue reading A History of The Planet Mars

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