12 pages matching torsion balance radiation in this book
What people are saying - Write a review
We haven't found any reviews in the usual places.
16 other sections not shown
Other editions - View all
absorption Allegheny Observatory appear areas void Astronomical Astrophysical Journal atmosphere bands bright lines carbon cathode cents column comparison condenser convection curve density diameter diffuse discharge disk displacement distance effect electric electrodes error exposure faint gas action gases ghosts given glass heat helium hydrogen lines hydrogen stars intensity investigation Lick Observatory light liquid magnitude mass mean measurements metallic nebula nebulosity negative negative bands nitroso Nova observed obtained photographs photosphere piano plate position postpaid prism probably Professor proper motions RADIAL VELOCITIES radiation pressure region reversed Rowland self-induction shown single copies slit solar constant solar stars spark lines spark spectrum spectra spectrograph spectroscope stellar Subscription price surface taken telescope temperature tenth-meters tion tube ultra-violet University of Chicago vapor variable variation void of stars wave-lengths WILLIAM HUGGINS Yerkes Observatory