• #ibex

    NASA's IBEX Ready to Measure the Edges of Our Solar System

    A NASA mission to measure and study the mysterious edge of the solar system is underway this week. The Interstellar Boundary Explorer (IBEX) is one of the low-cost "Small Explorers" missions - it can study the termination shock area of our solar system without even leaving Earth's orbit. How will it manage that? By acting as a target for particles that have traveled hundreds of millions of miles. More »