Astronomy Chapter 8 Crossword
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
                                                          
 
 
Down: 2) a planet's orbital period as seen from Earth, equal to the time for a planet to return to a specific aspect3) occurs when two planets lie in a line on the opposite side of the Sun4) occurs when two planets lie in a line on the same side of the Sun5) the alignment of three celestial objects6) a body that orbits the Sun and has sufficient mass/gravity to be nearly round and to clear the region around its orbit7) the length of one solar day on a planet, the time interval between two successive meridian transits of the Sun, as would be seen by an observer on that planet8) means "Sun-centered." Model of the universe with the Sun at the center9) the plane on which all planets orbit the Sun11) a measure of how much an ellipse deviates from a perfect circle12) means "Earth-like." Mercury, Venus, Earth and Mars. 14) means "Earth-centered." Model of the universe with Earth at the center15) means "Jupiter-like." Also called gas giants. Jupiter, Saturn, Uranus and Neptune18) the Sun and all objects gravitationally bound to it20) the angle between the Sun and the planet, with Earth as the reference point22) a body that orbits the Sun, has sufficient mass/gravity to be nearly round but not to clear its neighborhood and is not a satellite23) the apparent backward swing plus resumed forward motion of a planet undergoing retrograde motion25) occurs when two planets and the Sun form a right angle27) elongated circle Across: 1) man-made body in orbit around a larger body10) the apparent and temporary eastward motion of a planet as seen from Earth13) a ring-shaped region beyond the orbit of Neptune and near the ecliptic plane, containing small bodies made largely of ice14) use of a planet's gravity to change velocity without using fuel16) the length of a planet's year in terms of Earth time (measured relative to the stars)17) the planets with orbits outside Earth's19) the length of one siderial day on a planet21) small circle along which a planet was supposed to move in Ptolemy's geocentric model24) large circle along which the center of an epicycle was supposed to move in Ptolemy's geocentric model26) naturally occurring body in orbit around a larger body28) a certain position relative to the Sun as seen from Earth29) the preferred direction of motion of planets around the Sun (east to west as seen from Earth)30) the region of the Solar System located between Mars and Jupiter, containing asteroids and one dwarf planet31) the planets whose orbits are closer to the Sun than Earth's
 

 

Create your own Crossword Puzzle for Free!		  Show Errors as I Type