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    The Sputnik

    The Soviet Union launched the Sputnik with three artificial earth satellites On October 4, 1957. Sputnik, the first artificial satellite to be launched, has an 83.6 kg capsule. It reached an orbit of 940 km and 230 km and orbited the Earth every 96 minutes and remained in orbit until January 4, 1958. When it falls back and burns up in the Earth’s atmosphere. Many Americans were shocked after the launch of Sputnik 1. The Sputnik launch led to a “space race” between America and the Soviet Union. Launched on November 3, 1957, Sputnik 2 shot into space and took the first living creature to orbit the Earth, the dog…

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    The Hubble Space Telescope

    The Hubble Space Telescope is one of the largest and most versatile space telescope. It was launched to low Earth orbit in 1990 and still in active operation. The Hubble Space Telescope is Also known as an important research tool for astronomy. The Hubble Space Telescope is named for honor to astronomer Ed Edwin Hubble. He is one of NASA’s largest observatories, including the Compton Gamma Ray Observatory, the Lunar X – ray Observatory, and the Spitzer Space Telescope. Hubble Space Telescope has a 2.4-meter mirror. that observes four main instruments in the ultraviolet, optical, and infrared regions of the electromagnetic spectrum. The Hubble Space Telescope was built by NASA…