Uncertainties in the nu p-process: supernova dynamics versus nuclear physics
Uncertainties on the theoretical predictions for classical Cepheid pulsational quantities
Uncertaities due to convection and production of s-nuclei in massive stars
Unconventional rotational responses of hadronic superfluids in a neutron star caused by strong entrainment and a $Σ^-$ hyperon gap
Uncovering hidden modes in RR Lyrae stars
Uncovering Mechanisms of Coronal Magnetism via Advanced 3D Modeling of Flares and Active Regions
Uncovering the Birth of a Coronal Mass Ejection from Two-Viewpoint SECCHI Observations
Uncovering the Outflow Driven by the Brown Dwarf LS-RCr A1: H-alpha as a Tracer of Outflow Activity in Brown Dwarfs
Uncovering the pulsating photospheres of Mira stars through near-IR interferometry: a case study on R Vir
Underflight calibration of SOHO/CDS and Hinode/EIS with EUNIS-07
Understanding exoplanet formation, structure and evolution in 2010
Understanding the Angular Momentum Loss of Low-Mass Stars: The Case of V374 Peg
Understanding the Oldest White Dwarfs: Atmospheres of Cool WDs as Extreme Physics Laboratories
Uniformity of the quiet solar disk: 3130 - 46700 Å
Universality in the run-up of shock waves to the surface of a star
Universality of the Small-Scale Dynamo Mechanism
Unmasking the Supernova Impostors
Unsolved Problems about Supernovae
Unusual Dust Emission from Planetary Nebulae in the Magellanic Clouds
Unusual glitch activity in the RRAT J1819-1458: an exhausted magnetar?