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Knot in Mystery Ribbon at Solar System's Edge Unravels

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
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.