Vocabulary Crossword Puzzle: Astronomy Ch 1 - Crossword Puzzles "Astronomy Ch 1" made with our Free Crossword Puzzle Maker

Astronomy Ch 1 Crossword

Down: 1) the point on the celestial sphere directly over you 2) the most southern position of the Sun during the year, resulting in the shortest day (hours of daylight) of the year in the northern hemisphere 3) in the northern hemisphere, located above your northern horizon at an altitude equal to your latitude 4) imaginary horizontal lines on Earth running parallel to the equator 5) the great circle on the celestial sphere 90 degrees from your zenith, the imaginary line which you cannot see past 6) stars belonging to groups that form recognizable patterns in the sky 7) area around the north and south poles of the Earth 10) imagined points on the celestial sphere if the north and south poles were extended out into the universe 11) imagined as a dome with your horizon as the base and your zenith as the point above you, it is 15) right ascension and declination used to locate any object in the celestial sphere 16) imaginary circle passing through your zenith and the north and south points on your horizon (only half of the meridian/circle is visible above your horizon)17) an object's apparent size, as seen from an observer's position, determined by its actual size and its distance from the observer 23) distance measured in hours eastward along the celestial equator from the zero point (vernal equinox). 24) imaginary horizontal line on Earth, halfway between the north and south poles, that divides the globe into halves 25) the extremely slow shifting of Earth's axis around a cone shape in space, caused by the tug of gravity of the sun and moon on Earth's equatorial bulge 26) popular, unofficial star patterns 29) the time interval for Earth to make one complete rotation using the Sun as a reference (24 hours)31) measured in degrees, the horizontal direction of a star in the sky

Across: 8) occurring on September 23, it is the sun's position as it crosses the celestial equator going south 9) nested hierarchy manner of envisioning our place in the universe from local to as universal 12) northernmost and southernmost points on Earth 13) system for locating objects in the celestial sphere based on the position of the observer on Earth, using altitude-azimuth 14) the most northern position of the Sun during the year, resulting in the longest day (hours of daylight) of the year in the northern hemisphere 18) imaginary lines on Earth running from the north to the south pole, dividing the Earth into segments totaling 360 degrees 19) name of angle of elevation used to determine location of objects in the celestial sphere 20) apparent path of the sun against background stars (on a star map)21) actual measurable distance between two points 22) imaginary projection of the Earth's equator out into the universe 27) star or constellation that never sets below the horizon and is visible year-round from one of the polar regions 28) X and Y data points based on the longitude and latitude lines on Earth and divided further into degrees, minutes and seconds 30) the time interval for Earth to make one complete rotation using the stars as a reference (to make one whole turn in space), 23 hours, 56 minutes, 4 seconds long 32) image of the sky as a huge hollow globe of stars that turns around the Earth 33) angular distance above or below the celestial equator 34) the angle of distance between two objects as viewed from the same place (synonymous with angle, itself)35) the north star, or polestar, located less than one degree away from the north celestial pole, marking the position of the north celestial pole in the sky 36) imaginary vertical line on Earth running from the North Pole to the South Pole and through Greenwich, England and dividing the globe into halves 37) occurrence on March 21 when the center of the sun is directly above Earth's equator, the point on the celestial sphere chosen as the zero hour of right ascension

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