Factors Affecting the Radii of Close-in Transiting Exoplanets

Faint young Sun paradox remains

Falling Transiting Extrasolar Giant Planets

Families among high-inclination asteroids

Fast Inversion Method for Determination of Planetary Parameters from Transit Timing Variations

Fermi's Paradox - The Last Challenge for Copernicanism?

Finding new sub-stellar co-moving companion candidates - the case of CT Cha

Finding the trigger to Iapetus' odd global albedo pattern: Dynamics of dust from Saturn's irregular satellites

First Detection of Near-Infrared Line Emission from Organics in Young Circumstellar Disks

First disk-resolved spectroscopy of (4) Vesta

First Earth-based Detection of a Superbolide on Jupiter

First Evidence of a Retrograde Orbit of Transiting Exoplanet HAT-P-7b

First Light LBT AO Images of HR 8799 bcde at 1.65 and 3.3 Microns: New Discrepancies between Young Planets and Old Brown Dwarfs

First observation of a mini-magnetosphere above a lunar magnetic anomaly using energetic neutral atoms

First Results from the Transit Ephemeris Refinement and Monitoring Survey (TERMS)

First results on Martian carbon monoxide from Herschel/HIFI observations

First-Order Special Relativistic Corrections to Kepler's Orbits

Fitting Astronomical Data

Five Kepler target stars that show multiple transiting exoplanet candidates

Five Long-period Extrasolar Planets in Eccentric orbits from the Magellan Planet Search Program