Confirmed by NASA - the legendary Voyager 1 probe records an unprecedented discovery at the edge of the

Published: Tuesday, June 17, 2025 at 4:00 pm

**Voyager 1 Detects "Wall of Fire" at Solar System's Edge**

NASA's Voyager 1 probe, launched in 1977, continues to make groundbreaking discoveries, now 24 billion kilometers from Earth. The spacecraft has crossed the heliopause, the boundary separating our solar system from interstellar space, and encountered a phenomenon dubbed the "wall of fire."

This "wall of fire" is characterized by extremely high temperatures, reaching up to 30,000 degrees Celsius. Despite the intense heat, the spacecraft remains unharmed due to the low density of the gas in this region, where particle collisions are rare. The discovery confirms the heliopause theory, which posits that the solar wind's pressure balances with the interstellar medium's pressure at this boundary.

Voyager 1's sensors detected a rise in temperature and density of energetic particles upon crossing the heliopause. This region acts as a natural laboratory for studying plasmas under conditions impossible to replicate on Earth, providing valuable data on how stellar activity influences the habitability of orbiting worlds.

The probe's findings also revealed surprising similarities in magnetic fields on both sides of the heliopause. This challenges previous assumptions about interstellar magnetism. The solar wind appears to drag field lines, which, when compressed, generate a magnetic reconnection zone, converting kinetic energy into heat.

Despite operating on minimal power, Voyager 1 continues to function, thanks to optimized power management by NASA engineers. The agency uses large antennas and precise receivers to compensate for the weakening radio signals. Voyager 1 will continue to measure particle density and magnetic fields in interstellar space, providing data to refine models of the heliosphere's structure and prepare for future missions beyond Pluto.

BNN's Perspective:

This discovery is a testament to human ingenuity and the enduring power of scientific exploration. While the "wall of fire" presents a fascinating challenge, it also underscores the vastness and complexity of the universe. The continued operation of Voyager 1, after nearly five decades, is a remarkable achievement, and the data it provides will undoubtedly shape our understanding of the cosmos for years to come.

Keywords:

Voyager 1, NASA, solar system, interstellar space, heliopause, wall of fire, temperature, magnetic fields, plasma, cosmic rays, space exploration, scientific discovery

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