Voyager 2 ship reaches the solar frontier after 42 years in space

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Voyager 2, the longest-running spacecraft, which was launched 42 years ago, surpassed last year the heliosphere (a magnetic bubble that envelops the solar system on its journey through the Milky Way) a historic milestone.

Although this feat had already been recorded at the time, Nature Astronomy magazine published this week a series of articles describing that step in detail.

"From a historical point of view, the old idea that the solar wind would go extinct as you go inside interstellar space is not true," says Don Gurnett, a professor at the University of Iowa (USA) and co-author of one of the studies published in Nature Astronomy.

“With Voyager 2 and before with Voyager 1 we see that there is a clear border. It is impressive how fluids, including plasmas, form these well-defined limits, ”adds the researcher, in statements taken by the newspaper El País, from Spain.

Voyager 2, like Voyager 1, is the probe that is farthest from Earth and to that place no other will arrive in at least 25 years,

These two missions, which carry information on Earth civilization on board in case one day they encounter intelligent aliens, are the only ones that have collected information on the ground to reconstruct the structure of the solar frontier.

This information will be complemented by the observations of others, such as the IBEX (Interstellar Frontier Explorer) probe, which studies the region from Earth's orbit, or IMAP (Acceleration Probe and Interstellar Cartography), which It is planned to launch in 2024.

(tagsToTranslate) jaime horacio arango duque

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