Astronomy Ch.7 (The Sun) Crossword
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
                                                        
 
 
Down: 1) a small, flamelike projection in the chromosphere of the sun 3) reactions that join the nuclei of atoms to form more massive nuclei4) a neutral, massless atomic particle that travels at or nearly at the speed of light6) a telescope designed to photograph the inner corona of the sun8) a series of three nuclear reactions that builds a helium atom by adding together protons. the main energy source in the sun 10) on the sun, the merging of magnetic fields to release energy in the form of flares 11) a period between 1645 and 1715 of less numerous sunspots and other solar activity 13) relatively dark spot on the sun that contains intense magnetic fields 14) reactions that break the nuclei of atoms into fragments 15) matter ejected from the sun's corona in powerful surges guided by magnetic fields 16) an isotope of hydrogen in which the nucleus contains a proton and a neutron17) the fine structure of bright grains covering the sun's surface18) the rotation of a body in which different parts of the body have different periods of rotation. this occurs in the sun, the Jovian planets, and the disk of the galaxy22) the process by which a rotating, convecting body of conducting matter, such as Earth's core, can generate a magnetic field24) the glowing display that results when a planet's magnetic field guides charged particles toward the north and south magnetic poles, where they strike the upper atmosphere and excite atoms to emit photons27) very large convective features in the sun's surface 28) one of the four forces of nature, the strong force binds protons and neutrons together in atomic nuclei30) a solar prominence, seen from above, silhouetted against the bright photosphere Across: 2) eruption on the solar surface. visible during total solar eclipses 5) circulation in a fluid driven by heat. hot material rises and cool material sinks7) a model of the sun's magnetic cycle in which the differential rotation of the sun winds up and tangles the solar magnetic field in a 22 year cycle. this is thought to be responsible for the 11-year sunspot cycle9) on the sun, the faint outer atmosphere composed of low-density, high temperature gas12) a magnetic region on the solar surface that includes sunspots, prominences, flares, and the like19) the region inside a star where energy is carried outward as rising hot gas and sinking cool gas 20) a violent eruption on the Sun's surface21) one of the four forces of nature, the weak force is responsible for some forms of radioactive decay23) orientation and strength of a magnetic field's manifestation as north and south poles. also applies to an electric field's manifestation as positive and negative charges 25) the antiparticle of the electron 26) a graph showing the latitude of sunspots versus time, first plotted by W.W. Maunder in 190429) the splitting of spectral lines into multiple components when the atoms are in a magnetic field 31) the electrostatic force of repulsion between bodies of like charge, commonly applied to atomic nuclei32) matter ejected from the sun's corona in powerful surges guided by magnetic fields 33) a measure of the energy output of the sun; the total solar energy striking 1 meter squared just above Earth's atmosphere in 1 second34) the bright visible surface of the sun35) a photograph (usually of the sun) taken in the light of a specific region of the spectrum -- for example, an H filtergram36) the network of small magnetic loops that covers the solar surface37) the region inside a star where energy is carried outward as photons 38) rapidly moving atoms and ions that escape from the solar corona and blow outward through the solar system39) the study of the interior of the sun by the analysis of its modes of vibration
 

 

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