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Ten Low Mass Companions from the Keck Precision Velocity Survey
Steven S. Vogt, R. Paul Butler, Geoffrey W. Marcy +4
Ten new low mass companions have emerged from the Keck precision Doppler velocity survey, with minimum (msini) masses ranging from 0.8 mjup to 0.34 msun. Five of these are planet c…
Astronomical engineering: a strategy for modifying planetary orbits
D. G. Korycansky, Gregory Laughlin, Fred C. Adams
The Sun's gradual brightening will seriously compromise the Earth's biosphere within ~ 1E9 years. If Earth's orbit migrates outward, however, the biosphere could remain intact over…
Short-Term Dynamical Interactions Among Extrasolar Planets
Gregory Laughlin, John E. Chambers
We show that short-term perturbations among massive planets in multiple planet systems can result in radial velocity variations of the central star which differ substantially from…