This is the solar powered spacecraft that is farthest from us

This is the solar powered spacecraft that is farthest from us

Voyager 1 is currently the furthest human-made object from Earth . However, it is not powered by solar energy, but by three RTGs (radioisotope thermoelectric generators), which are expected to generate enough energy for the probes to be in communication with the Earth until at least the year 2025.

This title must be awarded to NASA’s Juno space probe.


On August 25, 2012, just over 19 billion kilometers from the Sun or 122 AU, the Voyager probe left the heliopause behind, being the first to reach interstellar space. Juno, for its part, is a probe that orbits Jupiter that has reached a distance of 816.62 million kilometers from the Sun.

Juno Spacecraft And Its Science Instruments Artist S View

Juno is the first spacecraft to use solar energy designed to operate at a great distance from the Sun. That is the reason for the large surface area of ​​the solar panels required to generate the necessary energy. Jupiter is five times farther from the Sun than Earth, and the sunlight that hits it is 25 times less powerful .

The ship, which weighs four tons, carries three 9-meter-long solar panels equipped with 18,698 individual solar cells. Taking the distance from the Earth to the Sun as a reference, these cells have the capacity to generate approximately 14 kilowatts of electricity.

Juno S Interplanetary Trajectory Juno probe interplanetary trajectory; each mark coincides with 30-day intervals.

The previous record was held by the European Space Agency’s Rosetta spacecraft, whose orbit reached 792 million kilometers in October 2012, during its approach to comet 67P / Churyumov-Gerasimenko.

Jupiter is the largest planet in the solar system (11 times wider than Earth) and the one with the shortest day, it is the fifth planet from the Sun, a gas giant composed mainly of hydrogen and helium. Its magnetic field is about 3,000 times stronger than Earth’s. It also has the largest moon in the solar system: Ganymede, being the ninth largest body (even more than Mercury); Not surprisingly, it is also the only Moon with its own magnetic field .

Planets Size Comparison