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Voyager 2 is a space probe launched by NASA on August 20, 1977, as a part of the Voyager program. It was launched on a trajectory towards the gas giants Jupiter and Saturn and enabled further encounters with the ice giants Uranus and Neptune.
The first human-made object to fly past Uranus, Voyager 2's long-range observations of the planet began Nov. 4, 1985, when signals took approximately 2.5 hours to reach Earth. Light conditions were 400 times less than terrestrial conditions.
- United States of America (USA)
- 1,592 pounds (721.9 kilograms)
- Voyager 2
The twin spacecraft Voyager 1 and Voyager 2 were launched by NASA in separate months in the summer of 1977 from Cape Canaveral, Florida. As originally designed, the Voyagers were to conduct closeup studies of Jupiter and Saturn, Saturn's rings, and the larger moons of the two planets.
Voyager 2 launched on Aug. 20, 1977, from Cape Canaveral, Florida aboard a Titan-Centaur rocket. Voyager 1 launched on Sept. 5 from Cape Canaveral on a similar rocket. Between them, Voyager 1 and 2 explored all the giant planets of our solar system; 48 moons orbiting them; and unique systems of rings and magnetic fields surrounding them.
- The bubble is leaking—both ways. Voyager 2’s exit from the bubble was not without surprises. According to the data, the bubble was “very leaky,” says Stamatios Krimigis of Johns Hopkins University, the lead author of one of the new papers.
- The boundary of the bubble is more uniform than we thought. Before the Voyager missions, scientists predicted that the solar bubble just sort of dissolved into interstellar space as you ventured farther and farther from the sun.
- The makeup of the heliopause itself can vary by location.
- The sun’s influence goes beyond the solar system. The sun consistently spews out shock waves of plasma called coronal mass ejections (CMEs), which help shape the rest of the solar system.
Aug 17, 2022 · Voyager 2 launched on Aug. 20, 1977, quickly followed by Voyager 1 on Sept. 5. Both probes traveled to Jupiter and Saturn, with Voyager 1 moving faster and reaching them first. Together, the probes unveiled much about the solar system’s two largest planets and their moons.
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Aug 19, 2022 · Voyager 2 conducted its observations of Jupiter between April 24 and Aug. 5, 1979, making its closest approach of 350,000 miles above the planet’s cloud tops on July 9. The spacecraft returned 17,000 images of Jupiter, many of its satellites, and confirmed Voyager 1’s discovery of a thin ring encircling the planet.
