Space Exploration
First International Communications Satellite
July 10, 1962
The world’s first experimental international communications satellite, Telstar I, is launched into orbit. Built by Bell Labs and launched by NASA, Telstar 1 was a collaboration between the US, Britain, and France. Telstar I introduced the world to trans-Atlantic video feeds and ushered in a new era of communication. For example, in August of that year, Telstar I became the first satellite to synchronize time between the UK and the US, bringing them to within 1 microsecond of each other, where 2000 microseconds had been the previously most accurate effort. Telstar 1 was also the first satellite to send data between 2 computers, doing so in October of that year between two IBM 1401s in Endicott, New York and La Gaude, France.
For all its technological achievements, Telstar 1 was damaged by high levels of radiation in the Van Allen radiation belts primarily due to high altitude nuclear bomb testing by both the United States and the Soviet Union in 1962. It went out of service in November of that year, only 4 months after its launch. It was able to be restarted in January of 1963 but in late February it failed again and was not able to be placed back in service. Telstar 2 was launched a few months later in May of 1963, using radiation-resistant transistors and launched at a higher altitude to reduce the amount of time in the Van Allen radiation belts. Telstar 2 stayed in operation for 2 years. The success of the two Telstar satellites, along with other experimental satellites launched in the few years after 1962 helped paved the way for the first commercial geosynchronous communication satellite, Intelsat I in 1965. Both Telstar 1 and 2, although no longer in service, still orbit the Earth to this day.
First Commercial Communications Satellite Activates
June 28, 1965
Intelsat I, the first commercial communications satellite, is activated for service. It was nicknamed “Early Bird” after the famous proverb, and became famous for carrying the first commercial telephone call between America and Europe, as well as helping provide TV coverage of the Gemini 6 splashdown.
SpaceShipOne – First Private Space Flight
June 21, 2004
Financed by Microsoft co-founder Paul Allen, SpaceShipOne becomes the first spacecraft developed by the free market to enter spaceflight. Launched from a mothership named White Knight, SpaceShipOne flew just beyond the atmosphere into the threshold of space then glided back to Earth. SpaceShipOne would later win the $10 million Ansari X Prize for the first non-government organization to launch a reusable manned spacecraft.
Viking 1 Enters Mars Orbit
June 19, 1976
The Viking 1 spacecraft enters into orbit around the planet Mars, 10 months after being launched from Earth. Viking 1 would become the first US spacecraft to land on Mars and the first spacecraft overall to successfully soft land and perform a mission on Mars. Viking 1 operated on Mars for 2,307 days which equates to over 6 1/4 years or 2245 Martian solar days, which was the longest Mars surface mission until the record was broken by the Opportunity rover in May of 2010.
First Man-Made Object to Leave Solar System
June 13, 1983
The NASA space probe Pioneer 10 crosses the orbit of Neptune, becoming the first man-made object to leave the Solar System. It was launched on March 2, 1972 toward the red star Aldebaran, which forms the eye of the constellation Taurus. The last contact with Pioneer 10 was on January 23, 2003.
Launch of Venera 4
June 12, 1967
The Soviet probe Venera 4 is successfully launched. On October 18, 1967, it will enter Venus’ atmosphere where it will become the first space probe to successfully return atmospheric data from another planet.
US Soft Lands on Moon
June 2, 1966
NASA’s lunar lander Surveyor 1 lands in Oceanus Procellarum (“Ocean of Storms”) on the Moon, becoming the first US spacecraft to soft-land on an extraterrestrial body. The previous Ranger program sent craft that had hard-landings (i.e. crash landings). However, the Soviet spacecraft, Luna 9, claims the honor of being the first to soft-land on the moon, almost exactly 4 months prior to Surveyor 1.
Discovery Docks with International Space Station
May 29, 1999
The Space Shuttle Discovery completes the first docking with the International Space Station (ISS).
Launch of Apollo 10
May 18, 1969
Apollo 10 launches from the Kennedy Space Center. It would be the final “dress rehearsal” flight to the moon before Apollo 11 would make the first Moon landing two months later. NASA had considered making Apollo 10 the first Moon landing, but mission planners decided that it would be best to have a practice flight where all systems and procedures were tested up to the point where the lunar module would actually make powered descent to the Moon. Apollo 10’s lunar module, given the call sign “Snoopy” would make it to within 15 kilometers of the Moon’s surface, taking pictures of the proposed Apollo 11 landing site and testing the lunar module’s landing radar. It would dock back with the command module, given call sign “Charlie Brown”, after nearly 8 hours in orbit.
Apollo 10 holds some interesting distinctions. It was the first mission to carry a color TV camera so Earth viewers received the first color TV images of the planet. Apollo 10’s crew was the first to successfully shave in space. Apollo 10’s crew also set the record for the fastest speed any humans have traveled relative to Earth. Ultimately, the thorough testing of systems, photographs of the Moon’s surface, and data returned from the Apollo 10 mission cleared the way for Apollo 11 to make the first human landing on the Moon.
Skylab Launched
May 14, 1973
The United States launches Skylab One, its first manned space station. It is the last launch of the Saturn V rocket, and the the largest payload ever launched into space at the time. Skylab will fall back into the Earth’s atmosphere in July 1979.