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Panel
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Science
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Questions
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Area(s) of Unusual Discovery Potential
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Cosmology and Fundamental Physics
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CFP 1
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How did the universe begin?
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Gravitational Wave Astronomy
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CFP 2
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Why is the universe accelerating?
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CFP 3
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What is dark matter?
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CFP 4
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What are the properties of neutrinos?
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Galactic Neighborhood
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GAN 1
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What are the flows of matter and energy in the circumgalactic medium?
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Time-Domain Astronomy Astrometry
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GAN 2
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What controls the mass-energy-chemical cycles within galaxies?
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GAN 3
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What is the fossil record of galaxy assembly from the first stars to the present?
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GAN 4
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What are the connections between dark and luminous matter?
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Galaxies Across Cosmic Time
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GCT 1
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How do cosmic structures form and evolve?
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The Epoch of Reionization
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GCT 2
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How do baryons cycle in and out of galaxies, and what do they do while they are there?
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GCT 3
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How do black holes grow, radiate, and influence their surroundings?
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GCT 4
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What were the first objects to light up the universe, and when did they do it?
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Planetary Systems and Star Formation
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PSF 1
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How do stars form?
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Identification and Characterization of Nearby Habitable Exoplanets
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PSF 2
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How do circumstellar disks evolve and form planetary systems?
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PSF 3
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How diverse are planetary systems?
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PSF 4
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Do habitable worlds exist around other stars, and can we identify the telltale signs of life on an exoplanet?
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Stars and Stellar Evolution
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SSE 1
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How do rotation and magnetic fields affect stars?
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Time-Domain Surveys
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SSE 2
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What are the progenitors of Type Ia supernovae and how do they explode?
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SSE 3
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How do the lives of massive stars end?
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SSE 4
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What controls the mass, radius, and spin of compact stellar remnants?
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