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        <title>Lucy Mission</title>
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<!-- Waiting for these to be ready for submission
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        <External_Reference>
            <doi>10.3847/PSJ/abf840</doi>
            <reference_text>
                Harold F. Levison, Catherine B. Olkin, Keith S. Noll, Simone Marchi, James F. Bell III, Edward Bierhaus, Richard Binzel, Will Grundy,
                John Spencer, William Bottke, Dan Britt, Michael Brown, Marc Buie1, Phil Christensen, Joshua Emery, Victoria E. Hamilton, Carly Howett,
                Stefano Mottola, Martin Pätzold, Dennis Reuter, Thomas S. Statler, S. Alan Stern, Jessica Sunshine, Harold Weaver, Ian Wong; Lucy Mission
                to the Trojan Asteroids: Science Goals; The Planetary Science Journal, 2:171 (13pp), 2021 October.
            </reference_text>
            <description>Lucy mission science objectives paper.</description>
        </External_Reference>
        
        <External_Reference>
            <doi>10.3847/PSJ/abf83f</doi>
            <reference_text>
                Catherine B. Olkin, Harold F. Levison, Michael Vincent, Keith S. Noll, John Andrews, Sheila Gray, Phil Good, Simone Marchi, 
                Phil Christensen, Dennis Reuter, Harold Weaver, Martin Pätzold, James F. Bell III, Victoria E. Hamilton, Neil Dello Russo, 
                Amy Simon, Matt Beasley, Will Grundy, Carly Howett, John Spencer; Lucy Mission to the Trojan Asteroids: Instrumentation
                and Encounter Concept of Operations; The Planetary Science Journal, 2:172 (10pp), 2021 October.
            </reference_text>
            <description>Lucy mission operations paper.</description>
        </External_Reference>
    </Reference_List>
    
    <Investigation>
        <name>Lucy</name>
        <type>Mission</type>
        <start_date>2021-10-16</start_date>
        <stop_date xsi:nil="true" nilReason="unknown"/>
        <description>Lucy will be the first space mission to explore a population of small bodies known as the Trojans. The Trojans are outer
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           Jupiter. The gas giant is massive enough that normally it scatters away all asteroids in its vicinity, but, due to the combined
           gravitational influences of the Sun and Jupiter, these Trojan asteroids have been trapped on stable orbits (around what is known
           as the Lagrange Points) for billions of years. These Trojans provide a unique, never-before-explored sample of the remnants of our
           early Solar System.
        </description>
    </Investigation>
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