TABLE A.1 Summary of Science Frontiers Panels’ Findings

Panel

Science

Questions

Area(s) of Unusual Discovery Potential

Cosmology and Fundamental Physics

CFP 1

How did the universe begin?

Gravitational Wave Astronomy

CFP 2

Why is the universe accelerating?

CFP 3

What is dark matter?

CFP 4

What are the properties of neutrinos?

Galactic Neighborhood

GAN 1

What are the flows of matter and energy in the circumgalactic medium?

Time-Domain Astronomy Astrometry

GAN 2

What controls the mass-energy-chemical cycles within galaxies?

GAN 3

What is the fossil record of galaxy assembly from the first stars to the present?

GAN 4

What are the connections between dark and luminous matter?

Galaxies Across Cosmic Time

GCT 1

How do cosmic structures form and evolve?

The Epoch of Reionization

GCT 2

How do baryons cycle in and out of galaxies, and what do they do while they are there?

GCT 3

How do black holes grow, radiate, and influence their surroundings?

GCT 4

What were the first objects to light up the universe, and when did they do it?

Planetary Systems and Star Formation

PSF 1

How do stars form?

Identification and Characterization of Nearby Habitable Exoplanets

PSF 2

How do circumstellar disks evolve and form planetary systems?

PSF 3

How diverse are planetary systems?

PSF 4

Do habitable worlds exist around other stars, and can we identify the telltale signs of life on an exoplanet?

Stars and Stellar Evolution

SSE 1

How do rotation and magnetic fields affect stars?

Time-Domain Surveys

SSE 2

What are the progenitors of Type Ia supernovae and how do they explode?

SSE 3

How do the lives of massive stars end?

SSE 4

What controls the mass, radius, and spin of compact stellar remnants?



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement