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On February 17, 1998, Voyager 1 reached a distance of 69 AU (6.4 billion mi; 10.3 billion km) from the Sun and overtook Pioneer 10 as the most distant spacecraft from Earth. [47] [48] Traveling at about 17 km/s (11 mi/s), it has the fastest heliocentric recession speed of any spacecraft. [49]
Voyager 1 completed the phase of termination shock in December 2004 at a distance of 94 AU, while Voyager 2 completed it in August 2007 at a distance of 84 AU. After entering into the heliosheath, the spacecraft were in an area that is dominated by the Sun's magnetic field and solar wind particles.
Inner edge begins at approximately 30 au [59] Neptune: 30.1 — Average distance from the Sun — Eris: 67.8 — Average distance from the Sun — Voyager 2: 137 — Distance from the Sun in October 2024 [60] Voyager 1: 165 — Distance from the Sun in October 2024 [60] Light-day: 173 — Distance light travels in one day — Light-year: 63 241 ...
Given Voyager 1’s immense distance from Earth, it takes a radio signal about 22.5 hours to reach the probe, and another 22.5 hours for a response signal from the spacecraft to reach Earth.
Voyager 1 has been using the X-band transmitter for decades, but the S-band hadn’t been employed since 1981 because its signal is much fainter than the X-band’s. The team had to seek out the ...
On April 17, 2021, it reached a distance of 50 AU from the Sun. [11] Although other probes were launched first, Voyager 1 has achieved a higher speed and overtaken all others. Voyager 1 overtook Voyager 2 a few months after launch, on December 19, 1977. [12]
NASA's Voyager 1, the most distant spacecraft from Earth, is sending science data again. Voyager 1's four instruments are back in business after a computer problem in November, the Jet Propulsion ...
In September 2013, NASA announced that Voyager 1 had crossed the heliopause as of 25 August 2012. [37] This was at a distance of 121 AU (1.81 × 10 10 km) from the Sun. [38] Contrary to predictions, data from Voyager 1 indicates the magnetic field of the galaxy is aligned with the solar magnetic field. [39]