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Daly James. Ph.d. Voyager Path invert.
digital image. On this day, 30 years
ago, Voyager 2 cruises by Uranus.

Flocabulary. Electromagnetic Spectrum.
Digital image in video.
Electromagnetic Spectrum

Moss G. P. Mary Queen University.
Periodic Table. Digital
Image. Periodic Table

Ashsih. Science ABC. Radioactive Dcay.
digital image. Why Are Certain
Element Radioactive?

Vargas, Mariachi. El Cascabel. song.

NASA. Jupiter-Voyager 2. digital
photograph.

Deborah and William Hillyard. Jupiter-
Moon-Inner. digital image.

NASA Jet Propulsion Laboratory.
PIA00371_hires. Digital Photograph

NASA Jet Propulsion Laboratory.
PIA01364_hires. Digital Photograph.

Macrobert, Alan. Unnamed. Digital
image. Delta Scorpii Brighter Than
Ever.

NASA. pia18182-Uranus-Voyager1.
Digital Photo.

NASA. Neptune1. Digital Photo.

NASA. vg2_1138639.  Digital Photo.

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Many of the planets were composed of hydrogen and other gases. Voyager 2 was able to photograph old and new moons of the four gas giants, and succeeded in its mission.

In november, 1998, four of ten instruments were shut off to conserve power. It is predicted that around 2025, transmissions will end. The Voyager 2 has been going for over 40 years now, and will one day exit the solar system.

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Voyager 2 is also the only satellite to reach Neptune (because nothing has gone past Uranus) and did so on august 25, 1989. It was able to photograph the moon Triton, the coldest body in the solar system with a liquid nitrogen volcano.

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Voyager two is the only human made object to have reached Uranus.  Voyager 1 had a different course set and was unable to reach Uranus It began observation on November 4th, 1985 where it discovered 10 new moons, two new rings and a magnetic field offset by 55 degrees. Boiling water was discovered on surface of Uranus , but would be unusable due to the 742 mile per hour winds. Five of  the moons of Uranus were also photographed

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Voyager 2 arrived at Saturn another two years later, providing detailed images of Saturn's rings and the moon Iapetus. Scientists were also able to use the photopolarimeter system, which had failed on the Voyager 2. This was used to observe a new star called Delta Scorpii.

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Voyager 2 arrived at Jupiter 2 years later on April 24, 1979, four months after Voyager one. It was able to photograph the entire Jovian system, which is Jupiter and its moons. The photographs were used to compare the images taken by Voyager 1. Voyager 2 was able to see volcanoes on the moon Io. it also photographed Europa, Callisto, and a 14th satellite called Adrastea which was revealed in the background of a picture of Callisto.

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One of the most acknowledged and recognized feature of the Voyager probes is the golden record. Two were made (one for each Voyager) and both contained many images and recorded audio. There were 115 analog recorded images that were used to represent mankind and varied from nature  and animals to humans hunting a mammoth with spears. There were also 55 different greetings in 55 different languages. No record would be complete without music, so 90 minutes of music was included as well.

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The Voyager 2 was powered by three radioisotope thermoelectric generators, which use radioactive decay (decay of unstable atoms) to generate heat and in turn, electricity.

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The Voyager 2 was outfitted with many instruments ranging from imaging systems to a plasma wave system. The complete list is imaging system, infrared interferometer, ultraviolet spectrometer, triaxial fluxgate magnetometer, Plasma spectrometer, Low-energy charged particles detectors, Cosmic Ray System (CRS), Photopolarimeter System (PPS), and Plasma Wave System (PWS). These were used to take data on the composition of the gas giants.

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The project began as “Mariner Jupiter Saturn” and was only intended to further explore Jupiter and Saturn. The project was approved on July first in 1972, and the first science meeting was held 6 months later on December 13. It was only in 1977 that Mariner Jupiter Saturn was changed to Voyager, and 1977 was the launch year.

On august 20,1977, the Voyager 2 was launched on a titan IIIE-centaur.The Voyager 2 was launched first, but would flyby Jupiter and Saturn after Voyager 1, which was launched second on September 5.

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The project began when a calculation was made in 1965. This calculation revealed a planetary alignment that a spacecraft could use to visit all four gas giants using the gravity of the gas giants. The alignment was a one-in-a-lifetime chance that would occur late in 1975. This rare alignment only occurred every 176 years. However, it was only seven years after that the project officially started.

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The Voyager 2 was one of two Voyager probes sent to space. The mission of the two Voyager probes was to explore the gas giants in our solar system. The gas giants are currently Jupiter, Saturn, Uranus, and Neptune. This does not include pluto. Although the two probes performed their mission, only Voyager 2 made it to all four gas giants and is still going.

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NASA. https://solarsystem.nasa.gov/missions/voyager-
2/in-depth/

NASA.
https://voyager.jpl.nasa.gov/mission/timeline/#event-       the-ringing-of-interstellar-space

NASA. https://www.jpl.nasa.gov/missions/voyager-2/

NASA. https://voyager.jpl.nasa.gov/golden-record/whats-
on-the-record/

NASA.
https://nssdc.gsfc.nasa.gov/nmc/
spacecraftDisplay.do?id=1977-076A