Two New Tests of the Metallicity Sensitivity of the Cepheid Period-Luminosity Relation (The Leavitt Law)
Two New Tidally Distorted White Dwarfs
Two new young, wide magnetic + non-magnetic double-degenerate binary systems
Two planets orbiting the recently formed post-common envelope binary NN Serpentis
Two Populations of Companions around White Dwarfs: The Effect of Tides and Tidal Engulfment
Two Populations of X-ray Pulsars Produced by Two Types of Supernovae
Two Remarkable Spectroscopic Categories of Young O Stars from the VLT-FLAMES Tarantula Survey
Two solar-mass compact stars: structure, composition, and cooling
Two Suggestions to See the Hidden Magnetism of the Solar Chromosphere
Two views of globular cluster stars in the Galactic halo
Two white dwarfs with oxygen-rich atmospheres
Two Wide Planetary-Mass Companions to Solar-Type Stars in Upper Scorpius
Two-component model of the interaction of an interstellar cloud with surrounding hot plasma
Two-dimensional MHD models of solar magnetogranulation. Dynamics of magnetic elements
Two-dimensional solar spectropolarimetry with the KIS/IAA Visible Imaging Polarimeter
Two-site CCD observations and spectroscopy of HD 207331: a new $δ$ Scuti variable in Cygnus
Two-step Emergence of the Magnetic Flux Sheet from the Solar Convection Zone
TYC 2675-663-1: A newly discovered W UMa system in an active state
Type Ia supernova diversity: white dwarf central density as a secondary parameter in three-dimensional delayed detonation models
Type Ia supernova science 2010-2020