Valentina Vladimirovna Nikolayeva Tereshkova

Valentina Vladimirovna Tereshkova (Russian: Валентина Владимировна Терешкова, IPA: [vɐlʲɪnʲˈtʲinə vlɐˈdʲimʲɪrəvnə tʲɪrʲɪʂˈkovə] (About this soundlisten); born 6 March 1937) is a member of the Russian State Duma, engineer, and former cosmonaut. Continue reading

Russian Cosmonaut Valentina Viadimirovna Nikolayeva Tereshkova

Valentina Viadimirovna Nikolayeva Tereshkova was the first female Soviet cosmonaut in 1961 Continue reading

Chinese Astronomers Discover Supernova 1054

Chinese astronomers observed a supernova in the constellation of Taurus Continue reading

Vanguard I Satellite

The Vanguard I Satellite was powered by photovoltaic cells and launched on March.17, 1958 by the U.S. Signal Corps. Continue reading

Galileo Galilei

Galileo Galilei (Italian: [ɡaliˈlɛːo ɡaliˈlɛi]; 15 February 1564 – 8 January 1642) was an Italian astronomer, physicist and engineer, Continue reading

Moon Soil Samples Collected

Soviet lunar probe Luna 16, returned with moon soil samples on September 12, 1970. Continue reading

Soviets Spacecraft Hits the Moon

On September 12, 1959, the Soviets launched a spacecraft called Luna 2 from the Baikonur cosmodrome in Kazakhstan. Continue reading

Soft landing of Luna 9 on the moon

Soviet spacecraft called Luna 9 made a soft landing on the moon’s surface on February 3, 1966. Continue reading

First Published Ephemeris

Let’s begin with the definition of the word Ephemeris:

Ephemeris is a table or data file giving the calculated positions of a celestial object at regular intervals throughout a period or basically a diary of celestial objects positions.
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Nicolaus Copernicus

Nicolaus Copernicus (/koʊˈpɜːrnɪkəs, kə-/; Polish: Mikołaj Kopernik; German: Nikolaus Kopernikus; Niklas Koppernigk; 19 February 1473 – 24 May 1543) was a Renaissance- and Reformation-era mathematician and astronomer who formulated a model of the universe that placed the Sun rather than the Earth at the center of the universe, likely independently of Aristarchus of Samos, who had formulated such a model some eighteen centuries earlier. Continue reading