User:Marshallsumter/Radiation astronomy/Beta particles/Quiz

Beta-particles astronomy is a lecture from the radiation astronomy department that is under development for possible inclusion in the course on the principles of radiation astronomy.

You are free to take this quiz based on beta-particles astronomy at any time.

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Quiz
{Yes or No, Van Allen radiation belt electrons are constantly removed by collisions with atmospheric neutrals, losses to the magnetopause, and outward radial diffusion. + Yes - No
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{Yes or No, Beta particles (electrons) are more penetrating than alpha particles, but still can be absorbed by a few millimeters of aluminum. + Yes - No
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{Which types of radiation astronomy directly observe the rocky-object surface of Venus? - meteor astronomy - cosmic-ray astronomy - neutron astronomy - proton astronomy - beta-ray astronomy - neutrino astronomy - gamma-ray astronomy - X-ray astronomy - ultraviolet astronomy - visual astronomy - infrared astronomy - submillimeter astronomy + radio astronomy + radar astronomy + microwave astronomy - superluminal astronomy
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{Yes or No, Beta particles are high-energy, high-speed electrons or positrons emitted by certain types of radioactive nuclei. + Yes - No
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{When the Earth is viewed from space using X-ray astronomy what characteristic is readily observed? - the magnetic north pole - the Hudson Bay meteorite crater - the South Atlantic Anomaly - the Bermuda Triangle - solar positron events + electrons striking the ionosphere
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{True or False, Electrons in the Earth's magnetosphere are energized by neutral particles from the Sun. - TRUE + FALSE
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{Complete the text: Match up the item letter with each of the possibilities below: Meteors - A Cosmic rays - B Neutrons - C Protons - D Electrons - E Positrons - F Gamma rays - G Superluminals - H X-ray jets { C (i) } the index of refraction is often greater than 1 just below a resonance frequency { H (i) }. iron, nickel, cobalt, and traces of iridium { A (i) }. Sagittarius X-1 { G (i) }. escape from a typical hard low-mass X-ray binary { F (i) }. collisions with argon atoms { B (i) }. X-rays are emitted as they slow down { E (i) }. Henry Moseley using X-ray spectra { D (i) }.
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{Yes or No, Positron astronomy is 30 years old but remains in its infancy. + Yes - No
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{What are some of the characteristics of Jovian electrons? + hard spectrum + Jovian electrons near Earth are on their way to the Sun + an energy power law + flux increases with 27 day periodicities - at 1 AU, flux decreases exhibit a short-term modulation of 13 minutes - come in mutable varieties
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{Yes or No, A clumpiness in the galactic halo is through a spatially continuous elevation in the density of dark matter, rather than the more realistic discrete distribution of clumps. + Yes - No
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Hypotheses

 * 1) The radiation astronomy of beta particles (electrons and positrons as a group) may provide insight into fusion reactions above the Sun's photosphere.