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New visualization of space weather at Pluto

new-visualization-of-space-environment-at-pluto

This video, made by NASA's Goddard Space Flight Center Scientific Visualization Studio, shows a new simulation of the space environment all the way out to Pluto in the months surrounding New Horizons’ July 2015 flyby. 

At the time, Goddard's scientists, worked with the New Horizons team to test how well their models – and other models contributed by scientists around the world – predicted the space environment at Pluto. 

Understanding the environment through which our spacecraft travel can ultimately help protect them from radiation and other potentially damaging effects.

"We set the simulation to start in January of 2015, because the particles passing Pluto in July 2015 took some six months to make the journey from the Sun," said Dusan Odstrcil, a space weather scientist at Goddard who created the Enlil model. The Enlil model, named for the Sumerian god of the wind, is one of the primary models used to simulate the space environment near Earth and is the basis for the New Horizons simulation.  

The new, combined model tracks coronal mass ejections (CMEs) longer than ever before. Because particles must travel for many months before reaching Pluto, the CMEs eventually spread out and merge with other CMEs and the solar wind to form larger clouds of particles and magnetic field. These combined clouds stretch out as they travel away from the sun, forming thin ring shapes by the time they reach Pluto – quite different from the typical balloon shape of CMEs seen here at Earth.

Featured image: NASA / Goddard Space Flight Center

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