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Voyager 1 - 10 things to know with detail

• Voyager 1 is a space probe launched by NASA on September 5, 1977. It is part of the Voyager program which included two probes, Voyager 1 and Voyager 2.
• Voyager 1's primary mission was to study the outer planets of our solar system, including Jupiter and Saturn. It completed this mission successfully and continued on its journey into interstellar space.
• Voyager 1 is currently the farthest human-made object from Earth, traveling at a speed of about 38,000 miles per hour. It is approximately 14 billion miles away from Earth as of 2021.
• The probe is powered by three radioisotope thermoelectric generators (RTGs) that convert the heat from decaying plutonium-238 into electricity. This allows Voyager 1 to continue transmitting data back to Earth.
• Voyager 1 has a number of scientific instruments on board to study the space environment, including a cosmic ray detector, a magnetometer, and various cameras for imaging planets and their moons.
• One of the most iconic features of Voyager 1 is the Golden Record, a phonograph record containing sounds and images selected to portray the diversity of life and culture on Earth. It is intended as a message to any intelligent extraterrestrial life that might encounter the probe.
• In 2012, Voyager 1 became the first human-made object to enter interstellar space, crossing the boundary known as the heliopause where the influence of the Sun's solar wind ends and the interstellar medium begins.
• Despite its great distance from Earth, Voyager 1 continues to communicate with NASA's Deep Space Network, which tracks and receives data from the probe. The signal takes over 20 hours to travel one-way between Voyager 1 and Earth.
• Voyager 1 is expected to continue transmitting data back to Earth until at least 2025 when its power supply is projected to run out. After that, the probe will continue its journey through interstellar space as a silent relic of human exploration.
• Voyager 1 has provided invaluable data about the outer planets of our solar system, as well as insights into the nature of interstellar space. Its long journey and continued operation make it one of the most iconic and successful space missions in history.