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An artist impression of Ulysses spacecraft at Jupiter. Ulysses used Jupiter's powerful gravity to hurl it out of the Plane of the Ecliptic so it could study the polar regions of the Sun. Credit: ESA/NASA/JPL-Caltech
This Month in NASA History: Ulysses Begins Journey

Crew of STS-41 launches spacecraft on out-of-ecliptic mission to the Sun.

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Jupiter’s moon Europa fascinates scientists searching for life in the solar system because evidence indicates it holds a massive ocean beneath surface ice that is miles thick. This image of Europa was taken by NASA's Galileo spacecraft in the late 1990s. Credit: NASA
Juno to Provide Close View of Europa

Spacecraft developed through collaborative project management.

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A rock on Mars with two holes where the rover's drill obtained chalk-size samples. The rover’s Delta Campaign has collected samples that scientists are eager to examine in laboratories on Earth. Credit: NASA/JPL-Caltech
Perseverance’s ‘Tantalizing Suite of Rocks’

Rover’s journey over ancient dry lakebed on Mars yields surprises.

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In this artist’s illustration, a Pioneer space probe travels beyond the planets in the solar system. Credit: Don Davis/NASA
This Month in NASA History: Pioneer 11 Arrives at Jupiter

Space probe’s journey began with exceptional project management.

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Helga and Zohar are equipped with 6,000 radiation detectors to gather data about how and where the human body absorbs radiation in space and to test a new protective vest for astronauts. Credit: StemRad
Phantom Pair Examine Space Radiation

Helga and Zohar will return valuable data to protect astronauts.

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NASA’s Ingenuity Mars Helicopter sits on Airfield D, near the Perseverance rover on the surface of Mars. NASA has added two Ingenuity-class helicopters to the design of the Mars Sample Return campaign as backups for sample retrieval. Credit: NASA
NASA, ESA Finalizing Design of Mars Sample Return

Campaign will employ a pair of helicopters and rely on Perseverance. 

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Technicians preparing for removal of Viking Lander 1's aeroshell cover in KSC's Spacecraft Assembly and Encapsulation Facility 2 (SAEF-2). Credit: NASA
This Month in NASA History: Viking 1 Heads to Mars

Ambitious mission required extensive technical innovation.

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Researchers are learning more about the surprisingly rugged surface of the asteroid Bennu, which is covered with boulders and has defied expectations. Credit: NASA/Goddard/University of Arizona
New Research Examines Asteroid’s Surface

New surprises from smallest object NASA has ever orbited. 

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Issaouane Dune Sea, Eastern Algeria is featured in this image photographed by an Expedition 13 crewmember on the International Space Station on August 8, 2006. Credit: NASA
NASA Mission to Examine Earth’s Arid Regions

EMIT will quantify mineral composition of desert dust. 

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