1. Anna Ho (Caltech)
2. Aklant Bhowmick (UFL)

1. The Landscape of Relativistic Stellar Explosions
2. Supermassive Black hole fueling in IllustrisTNG: Impact of environment

1. Karan Jani (Vanderbilt)
2. Catherine Zucker (Harvard)

1. Detection of Lite-Intermediate Mass Black Holes in LIGO-Virgo
2. 3D Dust Mapping in the Age of Gaia

1. Leonardo dos Santos (Geneva)
2. Hila Glanz (Technion)

1. The high-energy environment and atmospheric escape of small exoplanets
2. New perspectives on common envelope evolution

1. Kim Boddy (UTexas Austin)
2. Marie Korsaga (U Cape Town)

1. Searching for Dark Matter Interactions in Cosmology
2. Astronomers’ response to the COVID-19 pandemic

1. Sarah Jeffreson (ITC)
2. Azadeh Fattahi (Durham)

1. The lifecycles of giant molecular clouds in Milky Way-like galaxies
2. Surviving and destroyed dwarf galaxies: the build-up of the Milky Way's stellar halo

1. Jorge Penarrubia (U Edinburgh)
2. Kishalay De (Caltech)

1. Impact of `dark' microhaloes on the dynamics of stars & planetary systems
2. The faintest thermonuclear supernovae and the explosive fates of helium accreting white dwarfs

1. Jun Makino (Kobe University)
2. Wenbin Lu (Caltech)

1. Frameworks for large-scale astrophysical simulations
2. A Unified Picture of Fast Radio Bursts

1. Jennifer Andrews (Arizona)
2. Diana Powell (UCSC)

1. Supernova Imposters and the Eruptions of Massive Stars
2. Protoplanetary Disks and Clouds in Substellar Atmospheres: Insights from Microphysics

1. Wren Suess (Berkeley)
2. Jens Chluba (U Manchester)

1. The growth & transformation of galaxies across cosmic time
2. Challenges and opportunities with CMB spectral distortions

1. Daniella Bardalez Gagliuffi (AMNH)
2. Evan Bauer (CfA)

1. System architectures as fossils of brown dwarf and giant planet formation
2. Runaway Subdwarfs and White Dwarfs from Thermonuclear Supernovae

1. Bence Kocsis (Oxford)
2. Carme Gallart (IAC)

1. On the AGN Origin of Gravitational Wave Sources observed by LIGO/VIRGO
2. The History of the Galactic disc and halo from Gaia DR2 HR diagram fitting

1. Annalisa Pillepich (MPIA-HD)

1. The many diverse manifestations of supermassive black-hole feedback

1. Gwen Rudie (Carnegie)
2. Priya Natarajan (Yale)

1. The Circumgalactic Medium of Star-Forming Galaxies during Cosmic Noon
2. Stress-Testing the Cold Dark Matter Paradigm

1. Anthony Brown (Leiden)

1. Gaia Early Data Release 3: First science results

1. Matteo Cantiello (Flatiron Institute)

1. Stellar Evolution in AGN Disks

1. Clara Sousa-Silva (CfA)

1. Finding an Alien Biosphere with Computational Chemistry

1. Maya Fishbach (Northwestern)

1. LIGO-Virgo’s Biggest Black Holes and the Mass Gap

1. Francisco Villaescusa-Navarro (Princeton)

1. Building the cosmological rosetta stone

1. Anna Schauer (U Texas Austin)

1. The formation of the first stars - environmental dependence and observational prospects

1. Keivan Stassun & Marina Kounkel (Vanderbilt)

1. "Fundamental Stellar Astrophysics in the Gaia Era: A New Understanding of Local Stellar Populations "

1. Lisa Kaltenegger (Cornell)

1. TBD

Malena Rice (Yale)

1. "Surveying the Trans-Neptunian Solar System with TESS"

1. Rodrigo Ibata (Université de Strasbourg)

1. Learning the properties of our Galaxy with Stellar Streams

1. Brian Nord (FNAL)

1. TBD

1. No Colloquium (Harvard scheduled wellness day)

1. Laura Prichard (STScI)

1. TBD

1. Paola Caselli (MPE)

1. From clouds to planets: the astrochemical link