Photoelectric observations of the West Ford belt of copper dipoles covering the period from I week to I month after the launching show a feature considerably wider than the announced belt width. The… (More)
The 3- to 4-micron spectra of Mars, recorded with the 200-inch telescope in 1958, were reexamined in order to ascertain whether the minima at 3.58 and 3.69 microns are due to telluric HDO molecules.… (More)