galactic space radiation
21Hubble Space Telescope — Aerospace. See Space Telescope. * * * ▪ astronomy the most sophisticated optical observatory ever placed into orbit around Earth. Earth s atmosphere obscures ground based astronomers view of celestial objects by absorbing or distorting light… …
22Fermi Gamma-ray Space Telescope — Infobox Space telescope name = Fermi Gamma ray Space Telescope (GLAST) caption = Artist s conception of the GLAST satellite organization = NASA, the United States Department of Energy, and government agencies in France, Germany, Italy, Japan, and …
23Onsala Space Observatory — Logo of the Onsala Space Observatory Organization Chalmers University of Technology …
24Ionizing radiation — consists of highly energetic particles or waves that can detach (ionize) at least one electron from an atom or molecule. Ionizing ability depends on the energy of the impinging individual particles or waves, and not on their number. A large flood …
25Fermi Gamma-ray Space Telescope — Pour les articles homonymes, voir Fermi. Fermi Gamma ray Space Telescope …
2621-centimetre radiation — electromagnetic radiation of radio wavelength emitted by cold, neutral, interstellar hydrogen atoms. The hydrogen atom is composed of a positively charged particle, the proton, and a negatively charged particle, the electron. These… …
27Health threat from cosmic rays — The health threat from cosmic rays is the danger posed by cosmic rays generated by the Sun and other stars to astronauts on interplanetary missions.Cosmic rays consists of high energy protons and other nuclei.They are one of the most important… …
28Gart Westerhout — Summary Biography Gart Westerhout (1927 ) is a Dutch astronomer. Well before completing his university studies at Leiden, he had already become well established internationally as a radio astronomer in The Netherlands, specializing in studies of… …
29Astronautical hygiene — is the application of science and technology to the study of the recognition and evaluation of the hazards and the prevention or control of the risks to health while working in a low gravity environment. John R. Cain (UK Government expert) was… …
30Stellar kinematics — is the study of the movement of stars without needing to understand how they acquired their motion. This differs from stellar dynamics, which takes into account gravitational effects. The motion of a star relative to the Sun can provide useful… …
