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The history of space exploration is a nationally popular topic, as evidenced by record numbers of First-Day covers for postage stamps with space themes. The Project Mercury issue of 1962 had more than three million 'First Day of Issue' cancellations, while the average number of First-Day cancels for other commemorative issues at that time was ...
[1] [2] [3] The first photo to appear on the cover of National Geographic was in the July 1959 issue of the magazine. [2] The cover story titled "New Stars for Old Glory" featured the 49-star flag of the United States after Alaska 's admission to the Union as a U.S. state , [ 4 ] which was signed into law on July 3, 1959, by President Dwight D ...
National Geographic logo. National Geographic is an American magazine that is noted for its cover stories and accompanying photography. [1] [2] [3] Throughout the 1980s National Geographic's cover stories showcased historical events such as the 1980 eruption of Mount St. Helens [4] and the effects of the weather phenomenon known as El Niño. [5]
Explorers Program. An Explorer mission observes Sagittarius A*, the Milky Way's central black hole, flaring. The Explorers program [1] is a NASA exploration program that provides flight opportunities for physics, geophysics, heliophysics, and astrophysics investigations from space. Launched in 1958, Explorer 1 was the first spacecraft of the ...
The year 1966 saw the peak and the end of the Gemini program. The program proved that docking in space and human EVA's could be done safely. It saw the first launch of the Saturn IB rocket, an important step in the Apollo program, and the launch of Luna 9, the first spacecraft to make a soft landing on a celestial object (the Moon).
Apollo–Soyuz was the first crewed international space mission, carried out jointly by the United States and the Soviet Union in July 1975. Millions of people around the world watched on television as an American Apollo spacecraft docked with a Soviet Soyuz capsule. The project, and its handshake in space, was a symbol of détente between the ...
Details. The United States National Space Science Data Center catalogued 157 spacecraft placed into orbit by launches which occurred in 1968. [ 1] The first crewed Apollo missions occurred in 1968. It was also the year in which Earth lifeforms first left low Earth orbit, during the successful Zond 5 mission to the Moon and the Zond 6 lunar ...
1965 in spaceflight. 1965 in spaceflight. Launch of a Delta D rocket carrying the first commercial geosynchronous communications satellite, Intelsat I F1. Orbital launches.