AST 102 Study Guide - Final Guide: Celestial Pole, Zodiac, Sidereal Time
Document Summary
How many official constellations are defined: 127 // b) 88 // c) 42 // d) 12. In the celestial (sky) coordinate system, the coordinate of latitude on the earth is analogous to ________. Similarly, longitude on the earth is to ______: degrees, days, declination, right ascension, right ascension, declination, sidereal day, solar day. On this day of the year, the length of the day is the same length as the night: solstice // b) sidereal // c) equinox // d) zodiacal. You"re standing at the north pole of the earth. Which of the following is true: the north celestial pole is directly overhead, the star polaris is directly overhead, a star at zero degrees declination would appear directly over the horizon, all of the above. The earth"s axis of rotation is inclined at _________ degrees to its orbit: 0. 8 // b) 23. 5 // c) 56. 7// d) 89. 3 a particle of light is called a proton electron neutrino photon.
