On August 25, 2012, NASA’s Voyager 1 spacecraft crossed the heliopause, the theoretical boundary of our solar system where the Sun’s solar wind is stopped by the interstellar medium, and became the first spacecraft in interstellar space.
Category Archives: This Day in Science, Technology, Astronomy, and Space Exploration History
Voyager 2 performed the first Neptune flyby on August 25, 1989
On August 25, 1989, Voyager 2 performed a close Neptune flyby, giving humanity its first close-up of the eighth (and the outermost) planet of our solar system. Neptune was the spacecraft’s final planetary target. That first Neptune flyby was also the last: No other spacecraft has visited Neptune since.
The first photograph of Earth from the Moon’s orbit [August 23, 1966]
On August 23, 1966, NASA’s Lunar Orbiter 1 robotic spacecraft took the first photograph of Earth from the Moon’s orbit.
Voyager 2 was launched on August 20, 1977
On August 20, 1977, Voyager 2 was launched from Cape Canaveral on top of a Titan IIIE-Centaur rocket. It launched before Voyager 1, which was sent into space on September 5, 1977.
First animals and plants returned alive from space on August 20, 1960
On August 20, 1960, the first animals and plants returned alive from space. Launched on August 19, Soviet Union’s Korabl-Sputnik 2 (also known as the Sputnik 5) was the first spaceflight to send animals and plants into orbit and return them safely back to Earth. it paved the way for the first human orbital flight, …
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IBM PC (Personal Computer) was released on August 12, 1981
On August 12, 1981, the Personal Computer, (model 5150, commonly known as the IBM PC) was released. This machine (and its descendants) started the PC revolution. It was a very small machine that could not only process information faster than those millions-of-dollars huge computers of the 1960s but also hook up to the home TV …
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Space Shuttle Enterprise successfully made its first free flight test on August 12, 1977
On August 12, 1977, NASA’s Space Shuttle Enterprise successfully made its first free flight test, as part of NASA’s Orbiter Approach and Landing Tests (ALT). The ALT program allowed shuttle pilots to explore the orbiter’s low-speed flight and landing characteristics.
The first E-mail from Space was sent on August 9, 1991
On August 9, 1991, two STS-43 astronauts aboard the Space Shuttle Atlantis, Shannon W. Lucid and James C. Adamson sent the first e-mail from space. The astronauts used an Apple Macintosh portable computer and AppleLink, a popular service for Mac and Apple IIGS users before the commercialization of the Internet, offered from 1986 to 1994. …
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The first photo of Earth from space taken by a person (August 6, 1961)
On August 6, 1961, Soviet cosmonaut Gherman Titov took the first photo of Earth from space taken by a person. It was also the first color image of Earth from space. Titov became the first photographer from space. This spaceflight was the first crewed spaceflight lasting over 24 hours. Titov was also the first to …
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Syncom 2, the first geosynchronous satellite was launched on July 26, 1963
On July 26, 1963, Syncom 2 (for Synchronous Communication Satellite) was launched on top of a Delta B #20 launch vehicle from Cape Canaveral.