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is measured in hours (h), minutes (m) and seconds (s) and is similar to longitude on Earth. As the Earth rotates, stars appear to rise in the East and set in the West just like the Sun. |
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| is measured in degrees (°), arc-minutes (') and arc-seconds ("), and is similar to latitude on Earth. Declination measures how far overhead an object will rise in the sky, and is measured as 0° at the equator, +90° at the North Pole and -90° at the South Pole. |
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- The apparent path of the Sun across the sky - where we can findall the zodiak constellations - tilted 23.5 degrees from the Celestial Equator |
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the right ascension and declination coordinates of this thing is 18 hours and -23.5 degrees |
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| a name given to a group of stars that resemble an object |
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| the altitiude of the north celestial pole is equal to the _______ on Earth |
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| angle measured East of North point along the horizon |
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| the moon is in its _____ phase whent it is located at the Vernal Equinox |
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| when the sun transits the meridan |
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| one of 88 regions on the Celestial Sphere |
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| the moon's sidereal period |
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| the time of one orbit around the Earth |
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| during an annular eclipse, the ________ layer of the Sun is visible |
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the moon must be ______ and at a node in orderfr a lunar eclipse to occur |
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| this astronomer's geocentric model of the solar system included uniform circular motion and the planets orbiting the Sun |
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| "Equal Area in Equal Time" is... |
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| a deviation from the norm resulting in an image imperfection that occurs due to the increased refracion of light rays that occurs when rays strike a lens or a reflection of light rays that occurs when rays strike a mirror near its edge |
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| Galileo used a _________ telescope |
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| a power of a telescope that is related to the amount of detail that we can see |
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| y-ray, x-ray, UV, visible IR, microwave, radio |
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| the correct order of the electomagnetic spectrum from highest to lowest energy is... |
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| the combination of light from many telescopes to get an effectively larger telescope |
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| when electrons drop to lower energy levels and release a photon this causes... |
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when the number of electrons equals the number of photons the atom is... |
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| when hydrogen is in a more excited state than the n=2 level the Balmer lines are... |
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| the correct of stars from hottest to coolest is.... |
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| the Chandra observatory observes in the... |
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| the layer of the sun between the Convective Zone and the Chromosphere |
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| sunspots and granules are found in this solar layer |
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| besides the core, the hottest layer of the Sun is... |
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| the visible light from the Sun comes from this PP-chain particle |
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| atoms in highly ionized states are good indications of... |
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| rapid rotation, convection, and a conducting material are necessary for... |
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| Stron Nuclear, Weak Nuclear, Electromagnetic, Gravity |
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| the four fundamental forces in the Universe |
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reconnected magnetic fields are responsible for this solar feature |
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| deuterium and a proton combine to form light helium |
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| in the PP-chain the y-ray is released when... |
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small atoms come together to form larger atoms |
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| the Tharsis region is found on this planet |
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lobate scars on Mercury are evidence of |
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| the moons of Uranus are named after... |
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| this type of volcano is found on Earth, Venus, Mars and Io |
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Venus, Titan, Earth, Mars |
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| the correct form of atmospheric pressure from highest to lowest |
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| this planet rotates in the opposite direction from all others |
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| this type of moon rock is responsible for the dark color of maria regions |
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| William Herschel discovered this planet |
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| Mars' atmosphere is made up of mostly... |
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| Venus has clouds made up of... |
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| the top layer of clouds on Jupiter and Saturn are comprised of... |
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| cool gas sinking back into the planet |
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| Jupiter's zones are caused by... |
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| Jupiter and Neptune have rings made up of _______ particles |
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| these moons confine the rings and re-supply them with material |
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the home of comets is the... |
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| Io, Europa, Ganymede, Callisto |
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| the correct order of the Galilean moons in terms of their distance from Jupiter is... |
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| the only two moons in the solar system that are larger than Mercury are... |
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| a star's temperature can be determined from its light using.... |
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| the apparent shift of a star relative to background stars |
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| Supergiant, Main Sequence, White Dwarf, Neutron Star |
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| the correct densities of stars, from lowest to highest is... |
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| the M in Orion Nebule M45 stands for... |
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| the distance we assume for stars when determing absolute magnitude |
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| the majority of the interstellar medium is made up of this component |
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| the combinaton of radius and surface temperature |
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| Visual, Spectroscopic, Eclipsing, Astrometric |
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| the four binary systems are... |
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| the light dims and brightens periodically in this binary system... |
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| both stars can be resolved with a telescope in this binary system... |
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| the position of a star wobbles on a periodic basis in this binary system... |
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| the light shows two different sets of absortion lines in this binary system... |
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| this method is used to fuse hydrogen into helium in stars larger than the Sun |
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| Composition, Age, Distance |
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| star clusters have these properties in common... |
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| these star clusters are found in the plane of the Galaxy and contain young stars |
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| this spectral class will spend the longest time on the main sequence |
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| H burning shell forms around the core |
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| this internal process causes a star's radius to expand and become a Red Giant |
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| emission, reflection, dark, planetary |
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| the four types of nebula are... |
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| a line of ionized oxygen appears in this nebula's spectrum that is forbidden at Earth densities |
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| this nebula's spectrum shows Balmer lines of ionized hydrogen that are found near hot stars |
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| this nebula's spectrum is identical to the light from the nearby stars... |
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| electron degeneracy fails at the... |
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| prior to explosion, the core of massive stars have a core of _______ surrounded by layers of shell burning |
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| conservation of angular momentum |
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| the rapid rotation of pulsars is a result of... |
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| spirals, barred spirals, ellipticals, irregulars |
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| the four types of galaxies are.... |
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