Origin of the 12um Emission Across Galaxy Populations from WISE and SDSS Surveys

Origin of the complex radio structure in BAL QSO 1045+352

Origin of the Cosmic Network: Nature vs Nurture

Origin of the unusually low nitrogen abundances in young populations of the Large Magellanic Cloud

Origins of the extragalactic background at 1mm from a combined analysis of the AzTEC and MAMBO data in GOODS-N

Origins, Structure, and Inflows of m=1 Modes in Quasi-Keplerian Disks

Orthogonal non-Gaussianities from Dirac-Born-Infeld Galileon inflation

Orthographic Correlations in Astrophysics

Oscillating Bispectra and Galaxy Clustering: A Novel Probe of Inflationary Physics with Large-Scale Structure

Oscillating nonlinear large scale structure in growing neutrino quintessence

Oscillating phantom in $F(R)$ gravity

Oscillations in the bispectrum

Oscillations in the dark energy EoS: new MCMC lessons

Oscillations in the inflaton potential: Exact numerical analysis and comparison with the recent and forthcoming CMB datasets

Oscillations in the Primordial Bispectrum I: Mode Expansion

Oscillons After Inflation

OTELO Survey: Deep BVRI broadband photometry of the Groth strip. II Properties of X-ray Emitters

Our changing view of the blue compact dwarf NGC 2915

Our Milky Way as a Pure-Disk Galaxy -- A Challenge for Galaxy Formation

Outer disks of lenticular galaxies