The extreme luminosity states of Sagittarius A*
The Extreme Microlensing Event OGLE-2007-BLG-224: Terrestrial Parallax Observation of a Thick-Disk Brown Dwarf
The Extreme Star Formation Activity of Arp299 Revealed by Spitzer IRS Spectral Mapping
The extremely collimated bipolar H_2O jet from the NGC 1333-IRAS 4B protostar
The faint outer regions of the Pegasus Dwarf Irregular galaxy: a much larger and undisturbed galaxy
The fast spiral-in of the companion star to the black hole XTE J1118+480
The fate of Cyg X-1: an empirical lower limit on BH-NS merger rate
The Fate of High-Velocity Clouds: Warm or Cold Cosmic Rain?
The fate of the pre-main sequence-rich clusters Collinder197 and vdB92: dissolution?
The Fermi Bubbles: Giant, Multi-Billion-Year-Old Reservoirs of Galactic Center Cosmic Rays
The field of Loden 112
The final parsec problem: aligning a binary with an external accretion disc
The first chemical abundance analysis of K giants in the inner Galactic disc
The first confirmed microlens in a globular cluster
The First Detection of Blue Straggler Stars in the Milky Way Bulge
The first kinematic determination of million-year precession period of AGNs
The first outburst of the black hole candidate MAXI J1836-194 observed by INTEGRAL, Swift, and RXTE
The First Release of the CSTAR Point Source Catalog from Dome A, Antarctica
The first results from the Herschel-HIFI mission
The First Ultra-Cool Brown Dwarf Discovered by the Wide-field Infrared Survey Explorer