Telescopes invented, 47, 86; large, 88 Temple, 115, 125 Thales, 13, 16 Theon, 60 Transit circle of Römer, 78 Timocharis, 17, 19 Titius, 66 Torricelli, 113 Troughton, E., 80 Tupman, G. L., 120 Tuttle, 125 Tycho Brahe, 23, 25, 30, 33-38, 39, 40, 44, 50, 75, 77, 93, 94, 129, 137 Ulugh Begh, 24 Uranus, discovery of, 65 Velocity of light, 86, 128; of earth in orbit, 128 Verbiest, 75 Vogel, H. C., 92, 129, 135, 136 Von Asten, 122 Walmsley, 65 Walterus, B., 24, 74 Weiss, E., 125 Wells, 122 Wesley, 104 Whewell, 112 Williams, 10 Wilson, A., 96, 100 Winnecke, 120 Witte, 86 Wollaston, 90 Wolf, M., 119, 125, 132 Wolf, R., 98 Wren, C., 51 Wyllie, A., 77 Yao, 9 Young, C. A., 103 Yu-Chi, 8 Zenith telescopes, 79, 82 Zöllner, 92 Zucchi, 113 End of the Project Gutenberg EBook of History of Astronomy, by George Forbes