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Creation of Molecules in the Interstellar Medium

  • Richard N. BoydEmail author
Chapter
  • 998 Downloads
Part of the Astronomers' Universe book series (ASTRONOM)

Abstract

Most of the information we have about the cosmos has come to us in the form of electromagnetic radiation—photons—ranging in energy from the very energetic gamma rays through visible light and extending to radio waves. Only a small fraction of the photons in the electromagnetic spectrum can actually penetrate the Earth’s atmosphere, and this dictates the basic features of the “telescopes” used to detect them. Thus, the telescopes used to detect the photons over much of the electromagnetic spectrum must be put into space. This chapter describes the basics of the electromagnetic spectrum as well as the devices that are used to detect the photons of all energies. It also describes the critically important biomolecular information that has been obtained from meteorites that have come to Earth, as well as the anticipated further information at it is hoped will be obtained from future from space missions to comets. Finally, the Drake equation, which characterizes the possibility that we will receive signals from another civilization, is discussed.

Keywords

Radio Wave Interstellar Medium Radio Telescope Optical Telescope Murchison Meteorite 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  1. 1.Ohio State University (Emeritus)WindsorUSA

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