a more energetic particle
81Spaceship Earth (detector) — Spaceship Earth is a network of neutron monitors designed to measure the flux of cosmic rays arriving at Earth from different directions. [cite journal |last=Bieber |first=John W. |coauthors=et al. |title=Spaceship Earth Observations of the… …
82Magnetospheric Multiscale Mission — The Magnetospheric Multiscale Mission (MMS) is a NASA unmanned space mission, to study the Earth s magnetosphere using four identical spacecraft flying in a tetrahedral formation. It is designed to gather information about the microphysics of… …
83Explorer 35 — was a spin stabilized spacecraft instrumented for interplanetary studies, at lunar distances, of the interplanetary plasma, magnetic field, energetic particles, and solar X rays. It was launched into an elliptical lunar orbit. The spin axis… …
84Explorer 7 — Infobox Spacecraft Name = Explorer 7 Organization = NASA Major Contractors = Jet Propulsion Laboratory Mission Type = Earth science Satellite Of = Earth Launch = October 13, 1959 at 15:36 UTC Launch Vehicle = Jupiter C Mission Duration = 2 years… …
85Marcelo Damy — de Sousa Santos (July 14, 1914 – November 29, 2009[1]) was a Brazilian physicist. Considered as one of the most important educators and researchers in physics in Brazil, along with Cesar Lattes, José Leite Lopes and Mario Schenberg, Damy was born …
86Geiger-Nuttall law — In nuclear physics, the Geiger Nuttall law or Geiger Nuttall rule relates the decay constant of a radioactive isotope with the energy of the alpha particles emitted. Roughly speaking, it states that short lived isotopes emit more energetic alpha… …
87THEMIS — The THEMIS mission uses a constellation of five NASA satellites to study energy releases from Earth s magnetosphere known as substorms, magnetic phenomena that intensify auroras near Earth s poles. The name of the mission is an acronym for Time… …
88Juno (sonde spatiale) — Pour les articles homonymes, voir Juno. Juno …
89thermal neutron — ▪ physics any free neutron (one that is not bound within an atomic nucleus) that has an average energy of motion (kinetic energy) corresponding to the average energy of the particles of the ambient materials. Relatively slow and of low… …
90atom smasher — Particle accelerator Par ti*cle ac*cel er*a*tor, n. (Physics) A large and expensive scientific instrument used by physicists to accelerate elementary particles (such as protons or electrons) to speeds near that of light, for the purpose of… …
