18th Day of September

The First Image of the Earth and Moon in a Single Frame 1977

Voyager 1 is a space probe that was launched by NASA on September 5, 1977.

Voyager 1 snapped this picture from a distance of 7.25 million miles on the 18th September 1977. It was the first image to include both the Earth and the Moon in a single frame taken by a spacecraft.

The First Image of the Earth and Moon in a Single Frame 1977

Voyager 1 has three radioisotope thermoelectric generators (RTGs) mounted on a boom. Each MHW-RTG contains 24 pressed plutonium-238 oxide spheres. The RTGs generated about 470 W of electric power at the time of launch.

Having operated for 43 years and 10 days as of September 15, 2020, the spacecraft still communicates with the Deep Space Network to receive routine commands and to transmit data to Earth.

As of September 15, 2020, Voyager 1 has 71.17% of the plutonium-238 that it had at launch. By 2050, it will have 56.5% left.

Extra Note: Sitting at a distance of 149.39 AU (22.3 billion km; 13.9 billion mi) from Earth as of July 26, 2020, it is the most distant man-made object from Earth.

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https://en.wikipedia.org/wiki/East_German_balloon_escape

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