Delaunay, 65
Democritus, 16
Descartes, 51
De Sejour, 117
Deslandres, II., 101
Desvignolles, 9
De Zach, 67
Digges, L., 86
Dollond, J., 87, 90
Dominis, A. di., 86
Donati, 120
Doppler, 92, 129
Draper, 99
Dreyer, J. L. E., 29,77
Dunthorne, 60
Dyson, 131

Eclipses, total solar, 103
Ecphantes, 16
Eddington, 131
Ellipse, 41
Empedocles, 16
Encke, J. F., 119, 122, 123, 133
Epicycles, 22
Eratosthenes, 18
Euclid, 17
Eudoxus, 15, 31
Euler, L., 60, 61, 62, 65, 88, 119

Fabricius, D.,95, 120, 121