Despite the remarkable success of the standard model of
cosmology, the lambda CDM model, at predicting the observed
structure of the universe over many scales, very little is known
about the fundamental nature of its principal constituents:
dark...
The albedo of a celestial body is the fraction of incident
starlight reflected by it. The study of the albedos of Solar System
objects is at least a century old, at least in the Western world.
As examples: Bond (1861) speculated on the near-unity...
Charge-exchange (CX) collisions of the solar wind (SW)
high-ionization-state minor ions with LISM neutrals are responsible
for much of X-ray production in the outer heliosphere. In this
talk, we discuss numerical modeling of the heliospheric CX X...
Interpreting observations of extreme astrophysical phenomena
requires a detailed understanding of particle acceleration in
astrophysical environments. These accelerated particles, known as
cosmic rays, approximately follow a power-law distribution...
Gravitational waves have uncovered a treasure trove of nearly 90
merging black holes and neutron stars, each with its own unique
story to tell. In this talk, our focus centers on black hole spins,
seeking to decipher the secrets hidden within...
Detections of neutron stars in binaries through gravitational
waves offer a novel way to probe the properties of extremely dense
matter. In this talk I will describe the properties of the signals
we have observed, what they have already taught us...
The classical perspective of astrophysical discs models them as
being flat, circular and coplanar. However, a wealth of
observational evidence has highlighted the ubiquity of warped
geometries in a variety of contexts. This has motivated
theoretical...
This is an exciting time for stellar astrophysics as
high-cadence time domain surveys (Gaia, PTF, ZTF, ATLAS, Kepler,
TESS, and, in the near future, the Vera Rubin Observatory) are
revolutionizing the landscape of stellar studies by allowing
the...
