Published: Mon, October 08, 2018
Science | By Michele Flores

NASA Voyager 2 Nearing Interstellar Space, Measures Increase in Cosmic Rays

NASA Voyager 2 Nearing Interstellar Space, Measures Increase in Cosmic Rays

Scientists have been observing Voyager 2, which has been traveling in the outermost layer of the heliosphere or the bubble around the solar system formed by solar wind, since 2007.

Voyager 2 is following its twin, the Voyager 1, into interstellar space. The Low-Energy Charged Particle instrument aboard the probe also detected the increase in high-energy cosmic rays.

Spacecraft the Voyager series was created by jet propulsion Laboratory in Pasadena, California. - We learn much in the coming months, but we still have no idea when we reach the heliopause. This means that Voyager 2 may reach interstellar space sooner or later than its predecessor.

To help you familiarise with the subject, a heliopause is a bubble formes by the solar wind around out solar system. The spacecraft has detected a spike in cosmic rays that is believed to have originated outside the Solar System. Some of these cosmic rays are blocked by the heliosphere, so mission planners expect that Voyager 2 will measure an increase in the rate of cosmic rays as it approaches and crosses the boundary of the heliosphere.

Voyager 2 will be the second object made by humans to successfully flee the solar system whenever it will decide to do so. But as the mission went on, and with the successful achievement of all its objectives, mission scientists and engineers at JPL saw it was possible to have them do additional flybys of the two outermost giant planets, Uranus and Neptune.

The twin Voyager spacecraft have continually operated for more than 41 years
Voyager 2 May Be Leaving the Solar System Soon, NASA Says

Cosmis rays are the pummeling superfast particles from our Solar System that come from the outer space.

An interstellar analysis is a space detection that has left or is likely to adieu the Solar System and infiltrates interstellar space, which is commonly well-defined as the region ayond the heliopause.

Voyager 1's path took it away from the planets toward interstellar space. With that being said it is impossible to know where the Voyager 2 is from the heliopause and when it will be passing through it, but at least the scientists will permanently keep an eye on the spacecraft to make sure everything is alright.

In May 2012, Voyager 1 experienced an increase in the rate of cosmic rays similar to what Voyager 2 is now detecting. "We're not there yet - that's one thing I can say with confidence", Stone added. During the 11-year solar cycle, the Sun reaches both a maximum and a minimum level of activity.

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