New World Atlas, http://planetquest1.jpl.nasa.gov/atlas/atlas_index.cfm
Cash, “Detection of Earth-like planets around nearby stars using a
petal-shaped occulter”, Nature 442, 51-53 (July 6, 2006);
Cash’s web site, http://casa.colorado.edu/~wcash
SF Novels by John Cramer: my two hard SF novels, Twistor and Einstein's Bridge, are newly released as eBooks by Book View Cafe and are available at : http://bookviewcafe.com/bookstore/?s=Cramer .
Columns Online: Electronic
reprints of about 177 "The Alternate View" columns by John G.
Cramer, previously published in