A great telescope with a 100-inch lens has lately been erected at Mount Wilson, near Pasadena, California. The telescopes which have mirrors, like this one, are called reflecting telescopes. The largest reflecting telescope before the one now mounted on Mount Wilson became available, was the splendid instrument at Little Saanich, Victoria, B.C., which has a 72-inch mirror. A telescope in which the light rays pass through a series of lenses fixed in a long tube pointed directly at the object is called a refracting telescope. The Yerkes telescope at the University of Chicago is an unusually fine 40-inch refractor. With the greatest of telescopes the moon may be brought to within 60 miles of the earth and a lunar object a mile or so in diameter is easily discernible. The imagination is entranced. All success to astronomers! PRONOUNCING DICTIONARY _Acrisius_--a-crish'-e-us _Ægean_--ee-gee'-an _Ægeus_--ec'-juce _Æsculapius_--es-cu-la'-pe-us _Albireo_--al-bi'-re-o _Alcyone_--al-si'-o-ne _Algenib_--al-ge'-nib _Algol_--al'-gol _Alioth_--al-i'-oth _Almach_--al'-mach _Alnilam_--al-ni-lam' _Alnitak_--al-ni-tak' _Alpha Centauri_--al-fa sen-ta'-re _Alphard_--al-fard' _Alpheratz_--al-fe'-ratz _Altair_--al-tar' _Alwaid_--al'-waid _Ambrosia_--am-bro'-zhia _Amphitrite_--am-fe-tri'-te _Andromeda_--an-drom'-e-dah _Andromids_--an-drom'-ids _Antares_--an-ta'-rez _Aphrodite_--af-ro-di'-te _Aquarius_--a-qua'-ri-us _Aquila_--ak'-wi-la _Aratus_--ara'-tus _Arcas_--ar'-cas _Archimedes_--ar"-chi-me'-des _Arcturus_--ark-tu'-rus _Ares_--a'-rez _Argonauts_--ar'-go-nawts _Ariadne_--a"-ri-ad'-ne _Aries_--a'-ri-es _Arion_--a-ri'-on _Aristarchus_--ar"-is-tar'-chus _Aristillus_--ar"-is-til'-us _Asterope_--as-ter-o'-pe _Astræa_--as-tree'-ah _Atlas_--at'-las _Atergatis_--a-ter-ga'-tis _Auriga_--aw-ri'-ga _Aurora_--aw-ro'-rah _Autolycus_--au-to-ly'-cus _Bacchus_--bac'-cus _Bellerophon_--bel-ler'-o-fon _Berenices_--ber"-e-ni'-ces _Beta Centauri_--be'-ta sen-ta'-re _Betelgeuse_--bet'-cl-gooz _Boötes_--bo-o'-tez _Caduceus_--ca-du'-she-us _Canopus_--ka-no'-pus _Canis_--ca'-nis _Canes Venatici_--ca'-nez ven-at'-i-si _Capella_--ca-pel'-la _Castor_--kas'-tor _Cassiopeia_--cas"-se-o-pee'-ah _Caucasus_--caw'-ca-sus _Centaurus_--cen'-taw-rus _Centaur_--cen'-tawr _Ceres_--ser'-reez _Cepheus_--se'-fus _Cerberus_--cer'-be-rus _Cetus_--se'-tus _Chaos_--ka'-oss _Chromosphere_--kro'-mo-sfer _Chimara_--ki-mee'-rah _Chiron_--chi'-ron _Constellation_--con-stel-la'-tion _Coma Berenices_--co'ma ber-a-ni'-ses _Copernicus_--co-per'-ni-cus _Cor-Carolli_--kor-kar-o'-li _Corona_--ko-ro'-na _Crete_--cre'-te _Cyclops_--si'-clops _Cycnus_--sik'-nus _Cygnus_--sig'-nus