Astronomy and Astrophysics

Formation, the main sequence, and the endpoints that seed everything else.

Structure, classification, and evolution over cosmic time.

Formation, observation, and the physics at the horizon.

Detection methods, the observed population, and the search for habitability.

The expanding universe, its contents, and the observations that constrain them.

The evidence for both, the candidates, and the experiments testing them.

Optics, detectors, and the instruments that turn photons into data.

Combining photons, gravitational waves, neutrinos and cosmic rays.

Photometry, spectroscopy, astrometry, and the data reduction behind them.