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What Can the Cosmic Microwave Background Tell Us About the Outer Solar System?
Daniel Babich, Cullen H. Blake, Charles Steinhardt
We discuss two new observational techniques that use observations of the Cosmic Microwave Background (CMB) to place constraints upon the mass, distance, and size distribution of sm…
Formation of Carbon Dwarfs
Charles L. Steinhardt, Dimitar D. Sasselov
We consider the formation of dwarf carbon stars via accretion from a carbon AGB companion in light of the new 107 object sample of Downes et al. (2004). This sample is now large en…
The First Data Release of the Sloan Digital Sky Survey
The SDSS collaboration, Kevork Abazajian
The Sloan Digital Sky Survey has validated and made publicly available its First Data Release. This consists of 2099 square degrees of five-band (u, g, r, i, z) imaging data, 186,2…
Does the fine-structure constant vary with cosmological epoch?
John N. Bahcall, Charles L. Steinhardt, David Schlegel
We use the strong nebular lines of O III, 5007 A and 4959 A, to set a robust upper limit on the time dependence of the fine structure constant. We find |alpha^{-1} d alpha(t)/dt |…