However, researchers also stated that the signal is yet to deliver a sure sign regarding the Hydrogen Wall, or what Voyager did. Along the way, it’s been regularly scanning the sky with its Alice ultraviolet spectrograph.
According to the study, the New Horizons probe detected a strong front of UV light at the edge of our solar system, well above what should be there if there was no “hydrogen wall”, reports Science News.
The New Horizons spacecraft, now at a distance almost four billion miles from Earth and already far beyond Pluto, has measured what appears to be a signature of the furthest reaches of the Sun’s energy-a wall of hydrogen.
As of now the researchers of NASA are quiet sure that the New Horizons; the probe that popularly scooped off former Pluto back in 2015, can view that boundary.
Wayne Pryor of Central Arizona College told ScienceNews that if the ultraviolet signal begins to fade, then researchers can assume the New Horizons probe has broken through the wall.
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That hydrogen wall is the outer boundary of our home system, the place where our sun’s bubble of solar wind ends and where a mass of interstellar matter too small to bust through that wind builds up, pressing inward. Similar future observations from New Horizons are planned about twice each year’. Each of the three rocket saw more ultraviolet light more remote from the sun than anticipated if there is no wall.
At the present time, our close planetary system is speeding through a colossal “nearby cloud” of gas which stretches to 30 light a long time over, which likewise has its own particular blasts called “interstellar breeze”.
Leslie Young of the Southwest Research Institute, based in Boulder, Colo said, “We’re seeing the threshold between being in the solar neighborhood and being in the galaxy”.
The Voyager spacecraft first gathered data which indicated the existence of a barrier at the edge of the “heliosphere”, the name for a bubble around our solar system formed by the solar wind. Once this task is behind it, the mission will carry on surveilling the UV emissions at the edge of the solar system for the next 10 to 15 years, and hopefully will figure out exactly what causes it.
If the ultraviolet light drops off at some point, then New Horizons may have left the wall in its rearview mirror. However, if it fails to dissipate, it’s possible the signature is coming from a source even farther away.