The Interstellar Boundary Explorer (IBEX)

Learning Section

IBEX Questions and Answers IBEX Q & A
IBEX will explore the boundaries of our solar system. Learn more about the mission through questions and answers.

Did You Know...

IBEX: Did you know... About Our Solar System's Boundaries
See if you can test your knowledge about this subject or learn more by reading about it.


Artist concept of space weather showing an active Sun with flares and a CME in the upper right, the Earth in the lower right with types of technology affected by space weather to the lower left; satellites, airplanes, the ISS and ground-based electrical lines. Studying the Sun-Earth connection
IBEX is one of many missions that supports NASA's research into the science of Heliophysics.
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Latest IBEX News

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Mission Statement

Artist's concept of the Interstellar Boundary Explorer > View larger
Roughly the size of a card table, the Interstellar Boundary Explorer is the latest in NASA’s series of low-cost, rapidly developed Small Explorers spacecraft. Credit: NASA/Goddard Space Flight Center/Conceptual Image Lab

The Interstellar Boundary Explorer (IBEX) mission science objective is to discover the nature of the interactions between the solar wind and the interstellar medium at the edge of our solar system.


Press Release

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IBEX Videos

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Page Last Updated: March 19th, 2014
Page Editor: Holly Zell