Recursos de colección

Caltech Authors (147.820 recursos)

Repository of works by Caltech published authors.

Group = Astrophysics Department

Mostrando recursos 1 - 2 de 2

  1. A Theory of the Role of Magnetic Activity During Star Formation

    Schatzman, Evry
    Under the assumption that magnetic activity is due to the action of a magnetic field in a rotating star with a convective zone, it is possible to draw the following picture of a sequence of events in the Hertzsprung-Russell diagram. The H-R diagram is divided into two regions by an almost vertical line. Stars of later type have a hydrogen convective zone of great extension (region C); stars of earlier type have no hydrogen convective zone or a convective zone of small extension (region D). Stars in region C show stellar activity of electrodynamic origin like solar activity; stars in region D show little or no stellar activity. When matter...
    (application/pdf) - 26-ago-2015

  2. Astrophysical Research in Space

    Greenstein, Jesse L.
    Astronomy will be one of many sciences to reap enormous gains from the possibility of carrying large payloads into space. That portion of astronomy concerned with the region where the earth's atmosphere merges into space, the region of upper air geophysics, has already provided enormous new insights. Balloon, rocket, satellite and space probes have till now been largely concerned with this intermediate zone. The present large, and proposed ultra-large payload vehicles make it possible to consider experiments of fundamental astronomical and physical significance in interplanetary space, where the earth is no longer the dominant body.
    (application/pdf) - 04-jun-2015

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