Space The eternal silence of these infinite spaces fills me with dread. - Pascal, Blaise
Vacuums Existing only in theory, a vacuum is space without matter in it. The most nearly perfect vacuum exists in intergalactic space, which is estimated to contain less than one molecule per cubic meter. By comparison, air at sea level contains about 30 billion billion molecules per cubic centimeter. Several kinds of pumps have been devised for removing the molecules from ...
Cosmonaut Valentina Tereshkova Becomes First Woman in Space (1963) Tereshkova was a Soviet cosmonaut who became the first woman to fly in space. In 1963, she was the solo pilot of a three-day flight aboard Vostok 6, orbiting the Earth 48 times. Her flight was her only experience in space, and she left the Soviet space program soon after and married cosmonaut Andriyan Nikolayev. Their daughter, Elena, born a ...
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