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Knot in Mystery Ribbon at Solar System's Edge Unravels

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NASA Primes Spacecraft to Probe Solar System's Fringe
Artist's impression of NASA's IBEX spacecraft studying the edge of our solar system. (Image credit: NASA/GSFC)

The unraveling of a

NASA's Interstellar

The findings result

In this region,

A mysterious

The

This discovery

This new second set

"Our discovery

The new findings

A shrinking

The new IBEX data

This change is not a

"As the

Getting a better

Learning more about

"We'll be able

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Mike Wall
Mike Wall
SPACE.COM SENIOR SPACE WRITER — Michael has been writing for Space.com since 2010. His book about the search for alien life, "Out There," was published on Nov. 13, 2018. Before becoming a science writer, Michael worked as a herpetologist and wildlife biologist. He has a Ph.D. in evolutionary biology from the University of Sydney, Australia, a bachelor's degree from the University of Arizona, and a graduate certificate in science writing from the University of California, Santa Cruz. To find out what his latest project is, you can follow Michael on Twitter.