Results 101 to 110 of about 83,906 (254)

Planetary Spectroscopy [PDF]

open access: yes
The effort is divided into instrumentation and observational research. In the area of instrumentation, the primary objective is the maintenance and slow improvement of the CCD camera and data acquisition system for continuing use of any interested LPL ...
Fink, Uwe
core   +1 more source

The chaotic dynamics of comets and the problems of the Oort cloud [PDF]

open access: yes
The dynamic properties of comets entering the planetary zone from the Oort cloud are discussed. Even a very slight influence of the large planets can trigger stochastic cometary dynamics.
Sagdeev, Roald Z., Zaslavskiy, G. M.
core   +1 more source

The study of the physics of cometary nuclei [PDF]

open access: yes
The numerical calculations of stability for many possible orbits of the double nucleus for P/Holmes showed that the likelihood of such a precollision history was quite high.
Whipple, Fred L.
core   +1 more source

Edmund Halley (1656-1742). [PDF]

open access: yesJ Neurol Neurosurg Psychiatry, 1992
Haas LF.
europepmc   +1 more source

Carbon-rich particles in Comet Halley [PDF]

open access: yes
The majority of particles detected in the coma of Comet Halley contain carbon atoms; many of these grains appear to consist preponderately or only of light elements. These light-element particles may be composed of organic compounds.
Clark, Benton C.
core   +1 more source

Home - About - Disclaimer - Privacy