July 28, 2008

IBEX: Exploring the Edge of our Solar System

At the edge of our solar system in December 2004, the Voyager 1 spacecraft encountered something never before experienced during its then 26-year cruise through the solar system “” an invisible shock formed as the solar wind piles up against the gas in interstellar space. This boundary, called the termination shock, marks the beginning of our solar system’s final frontier, a vast expanse of turbulent gas and twisting magnetic fields. A NASA-sponsored team is developing a way to view this chaotic but unseen realm for the first time.

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