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SymbolSource Strings
telescop telescope , telescopes , telescopic , telescoping , telescoped , telescop , telescopically , telescopical , telescopics  
galilean_telescop galilean telescope , galilean telescopes  
reflector_refractor reflector refractor , reflectors refractors  
length_eyepiec length eyepiece , length eyepieces , lengths eyepiece  
telescop_apertur telescope aperture , telescopes aperture , telescopes apertures , telescope apertures  
ey_telescop eye telescope , eyes telescope , eye telescopes , eyes telescopes  
telescop_larg telescope large , telescopes large  
telescop_3 telescope 3 , telescopes 3  
glass_lens glass lenses  
telescop_beginn telescopes beginners , telescope beginner , telescope beginners , telescopes beginner  
telescop_built telescope built , telescopes built  
telescop_camera telescope camera , telescopes camera , telescope cameras  
terrestri_telescop terrestrial telescope , terrestrial telescopes  
focal_point focal point  
faint_object faint objects , faint object  
telescop_long telescope long , telescopes long  
imag_qualiti image quality , imaging quality , image qualities  
work_telescop work telescope , work telescopes , working telescope , works telescope , working telescopes  
solar_telescop solar telescope , solar telescopes  
magnif_telescop magnification telescope , magnifications telescope , magnification telescopes  
object_telescop objects telescope , objective telescope , objectives telescope , objects telescopes , object telescope  
collect_light collect light , collects light , collecting light  
mirror_reflect mirror reflects , mirrors reflect , mirror reflected , mirror reflecting , mirrors reflecting , mirror reflect , mirror reflection , mirror reflective  
ratio_focal ratio focal  
store_telescop store telescopes , store telescope , storing telescope  
optic_qualiti optical quality , optical qualities  
han_lippershei hans lippershey  
spheric_aberr spherical aberration , spherical aberrations  
mirror_lens mirrors lenses , mirror lenses  
telescop_magnifi telescopes magnify , telescope magnifies , telescope magnify , telescopes magnified , telescope magnifier , telescope magnifying , telescope magnified  
inch_diamet inches diameter , inch diameter  
diamet_telescop diameter telescope , diameter telescopes  
type_optic types optical , type optical , type optics  
light_gather light gathering , light gathered , light gather , light gatherer  
telescop_limit telescope limited , telescope limit , telescope limiting , telescopic limiting , telescopes limited , telescopes limiting , telescopes limitations , telescope limitations  
grind_polish grinding polishing , grind polish  
mirror_telescop mirror telescope , mirror telescopes , mirrors telescope , mirrors telescopes  
telescop_magnif telescope magnification , telescopes magnification , telescopic magnification , telescopic magnifications  
design_telescop design telescope , designer telescope , design telescopes , designed telescope , designed telescopes , designing telescope , designs telescopes  
solar_filter solar filter , solar filters  
low_power low power , low powers  
len_object lens objective , lens object , lens objectives  
telescop_6 telescope 6 , telescopes 6  
telescop_scope telescope scope , telescopes scope , telescope scopes  
eyepiec_focal eyepiece focal , eyepieces focal  
keck_telescop keck telescope , keck telescopes  
perform_telescop performance telescope , performing telescope , performances telescopes , performed telescope  
combin_lens combination lenses , combinations lenses , combined lenses , combining lenses , combine lenses  
light_telescop light telescope , light telescopes  
eyepiec_filter eyepiece filter , eyepiece filters , eyepieces filters  
diamet_primari diameter primary  
telescop_combin telescope combination , telescopes combination , telescopes combined , telescope combining , telescope combines , telescope combined , telescope combine , telescopes combining , telescopes combine  
imag_object image object , images objects , image objective , image objects , images object  
mirror_len mirror lens , mirrors lens  
light_object light object , light objective  
telescop_solar telescope solar , telescopes solar  
view_object view objects , viewing object , view object , viewing objects , viewed objects , views object , views objects , view objective , viewed object  
point_telescop point telescope , pointed telescope , points telescope , point telescopes  
len_mirror lens mirror , lens mirrors  
magnifi_glass magnifying glass , magnifying glasses , magnify glasses  
secondari_mirror secondary mirror , secondary mirrors  
refractor_reflector refractor reflector , refractors reflectors  
long_telescop long telescopes , long telescope  
lens_mirror lenses mirrors  
lens_telescop lenses telescope , lenses telescopes  
telescop_5 telescope 5 , telescopes 5  
telescop_advanc telescopes advanced , telescope advanced , telescope advance , telescopes advancing  
jacob_metiu jacob metius  
exit_pupil exit pupil , exit pupils , exits pupils  
dobsonian_mount dobsonian mount , dobsonian mounts , dobsonian mounted  
scope_telescop scope telescope , scope telescopes , scopes telescope , scopes telescopes  
curv_mirror curved mirrors , curved mirror  
telescop_produc telescopes produced , telescope produces , telescopes produce , telescope produced , telescope produce , telescope producers  
long_focal long focal  
len_front lens front  
eyepiec_len eyepiece lens  
magnifi_object magnify objects , magnified objects , magnifying object , magnify object , magnifying objects  
concav_mirror concave mirror , concave mirrors  
telescop_manufactur telescope manufacturers , telescope manufacturing , telescope manufacturer , telescopes manufactured , telescopes manufactures , telescope manufactured , telescopes manufacturers , telescopes manufacturer  
telescop_come telescopes come , telescope comes , telescope come , telescopes coming  
brass_telescop brass telescope , brass telescopes  
invert_imag inverted image , inverted images , invert image , inverts image , inverting image  
reflect_imag reflected image , reflect image , reflect images , reflects image , reflection imaging  
len_telescop lens telescope , lens telescopes  
high_magnif high magnification , high magnifications  
telescop_store telescope store , telescope stores , telescope stored , telescope storing  
telescop_high telescope high , telescopes high  
telescop_launch telescope launched , telescopes launched , telescope launch  
telescop_equatori telescopes equatorial , telescope equatorial  
telescop_call telescope called , telescope call , telescopes called , telescopes call  
grind_mirror grinding mirror , grind mirrors , grinds mirror , grind mirror  
origin_telescop origin telescope , original telescope , origins telescope , original telescopes , origin telescoped  
light_rai light rays , light ray , lights rays  
telescop_abl telescope able , telescopes able  
mirror_eyepiec mirror eyepiece , mirror eyepieces  
imag_form image formed , image forms , image forming , images form  
spectacl_maker spectacle maker , spectacle makers  
telescop_largest telescope largest , telescopes largest  
telescop_digit telescope digital , telescopes digital  
telescop_catadioptr telescope catadioptric , telescopes catadioptric , telescope catadioptrics  
imag_magnifi image magnified , image magnifying , image magnify  
focu_telescop focus telescope , focus telescopes  
tube_telescop tube telescope , tube telescopes , tubes telescope , tubes telescopes  
telescop_convex telescope convex , telescopes convex  
end_telescop end telescope , end telescopes  
purpos_telescop purpose telescope , purpose telescopes , purposes telescopes  
telescop_develop telescope development , telescopes developed , telescope developed , telescope developer , telescopes development  
telescop_form telescope form , telescope forms , telescope formed  
telescop_kid telescope kids , telescopes kids  
cassegrain_telescop cassegrain telescope , cassegrain telescopes  
len_convex lens convex  
good_qualiti good quality , good qualities  
telescop_product telescope product , telescope products , telescopes products , telescope production , telescopes product  
larger_diamet larger diameter , larger diameters  
galileo_telescop galileo telescope , galileo telescopes , galileos telescope  
convex_lens convex lenses , convex lense  
focu_light focus light  
telescop_maker telescope makers , telescope maker , telescopes makers  
piec_glass pieces glass , piece glass  
telescop_refer telescope referred , telescope refers , telescopes referred , telescope reference  
meter_diamet meters diameter , meter diameter  
telescop_size telescope size , telescope sizes , telescopes sizes , telescopes size  
reflector_mirror reflectors mirrors , reflector mirrors , reflector mirror , reflectors mirror  
form_imag form image , forms image , form images , forming image , formed image  
telescop_begin telescope beginning , telescopes beginning , telescopes begin , telescope begins  
telescop_gener telescope general , telescopes generation , telescope generate , telescope generation , telescope generated , telescopes general  
low_magnif low magnification , low magnifications  
articl_telescop articles telescope , articles telescopes , article telescope , article telescopes , article telescopic  
camera_len camera lens  
len_eyepiec lens eyepiece , lens eyepieces  
mirror_made mirror made , mirrors made  
light_pass light passes , light passing , light pass , light passed  
telescop_good telescope good , telescopes good  
focal_plane focal plane , focal planes  
purchas_telescop purchase telescope , purchasing telescope , purchased telescope , purchase telescopes , purchasing telescopes  
move_telescop move telescope , moving telescope , move telescopes , moves telescope  
telescop_gather telescopes gather , telescope gathers , telescope gather , telescope gathered  
list_telescop list telescope , lists telescopes , listed telescopes , list telescopes , listed telescope  
mirror_primari mirror primary , mirrors primary  
gather_light gather light , gathers light , gathering light , gathered light  
telescop_focus telescope focuser , telescopes focused , telescope focuses , telescopes focuses , telescopes focusing , telescope focusers , telescope focused  
good_telescop good telescope , good telescopes  
mirror_gather mirrors gather , mirror gathers , mirror gather , mirrors gathers  
telescop_time telescope time , telescope times , telescopes time , telescopes times  
optic_instrument optical instrument , optical instruments , optic instrument , optics instruments  
instrument_telescop instruments telescope , instruments telescopes , instrument telescope  
convex_len convex lens  
qualiti_optic quality optics , quality optical  
antiqu_telescop antique telescope , antique telescopes  
telescop_len telescope lens , telescopic lens , telescopes lens  
length_telescop length telescope , length telescopes  
telescop_explor telescope explore , telescopes explore , telescope exploration , telescopes exploring , telescope exploring  
reflect_light reflect light , reflects light , reflection light , reflecting light , reflected light , reflections light  
object_eyepiec objective eyepiece , objectives eyepieces  
telescop_market telescopes market , telescope market , telescope marketed , telescopes marketed  
comput_control computer control , computer controlled , computer controller  
celestron_nexstar celestron nexstar  
telescop_radio telescope radio , telescopes radio , telescopic radio  
diffract_limit diffraction limit , diffraction limited  
telescop_divid telescope divided , telescopes divided  
research_telescop research telescopes , research telescope , researching telescopes , researching telescope  
mirror_blank mirror blanks , mirror blank  
telescop_close telescope close  
telescop_need telescope need , telescope needs , telescope needed , telescopes needed , telescopes need , telescopes needs  
telescop_8 telescope 8 , telescopes 8  
mirror_diamet mirror diameter , mirrors diameters  
object_closer objects closer , objective closer  
larg_apertur large aperture , large apertures  
optic_system optical system , optical systems , optics system , optics systems  
len_len lens lens , len len  
object_focal object focal , objective focal  
telescop_light telescope light , telescopes light , telescope lighting  
larger_apertur larger aperture , larger apertures  
fine_detail fine detail , fine details  
telescop_select telescope select , telescope selection , telescope selected , telescopes selecting , telescopes selected  
polish_techniqu polishing techniques , polish techniques  
8_inch 8 inch , 8 inches  
diamet_len diameter lens , diameters lens  
light_enter light enters , light entering , light enter  
opera_glass opera glasses , opera glass  
digit_camera digital camera , digital cameras  
higher_magnif higher magnification , higher magnifications  
telescop_oper telescope operating , telescopes operate , telescope operated , telescopes operated , telescope operation , telescope operates , telescopes operation , telescopes operating , telescope operations , telescopes operational  
tube_assembl tube assembly , tube assemblies  
jame_gregori james gregory  
word_telescop word telescope , words telescope , word telescopes  
telescop_show telescope show , telescope showed , telescope shows , telescopes show  
bird_watch bird watching , bird watch  
patent_applic patent applications , patent application  
telescop_recent telescopes recent , telescope recently , telescopes recently  
object_view object viewed , objects viewed , objects view , object view , object viewing  
apochromat_refractor apochromatic refractor , apochromatic refractors  
apertur_diamet aperture diameter  
telescop_effect telescopic effect , telescope effect , telescope effects , telescope effective  
vincent_ilardi vincent ilardi  
view_distant viewing distant , view distant , views distant  
telescop_base telescope based , telescope base , telescopes based  
imag_invert image inverted , images inverted , imaging inverted  
concav_lens concave lenses , concave lense  
make_object make objects , makes objects , make objective , make object  
telescop_remain telescope remained , telescope remain , telescopes remained , telescope remains  
mirror_surfac mirror surface , mirrors surfaces , mirror surfaces  
scope_accessori scopes accessories , scope accessories  
beginn_telescop beginner telescope , beginner telescopes , beginners telescope , beginners telescopes  
color_light colors light , colored light , color light  
infrar_camera infrared camera , infrared cameras  
incom_light incoming light  
singl_len single lens  
len_refract lens refracted , lens refract , lens refracting , lens refraction , lens refractive  
front_telescop front telescope  
appli_patent applied patent , apply patent , applies patent  
earliest_telescop earliest telescopes , earliest telescope  
telescop_captur telescopes captured , telescope captured , telescopes capture , telescope captures , telescope capture  
side_telescop side telescope , side telescopes  
achromat_telescop achromatic telescope , achromatic telescopes  
telescop_low telescope low , telescopes low  
han_lipperhei hans lipperhey  
demonstr_instrument demonstrated instrument , demonstrate instrument , demonstrating instruments  
telescop_list telescopes list , telescope list , telescopes lists  
oper_telescop operated telescope , operation telescope , operating telescope , operate telescope , operational telescope , operable telescopes , operation telescopes , operated telescopes  
end_tube end tube , ends tube  
sidereu_nunciu sidereus nuncius  
telescop_sale telescopes sale , telescope sale , telescopes sales , telescope sales  
gener_telescop generation telescopes , generation telescope , generator telescope , general telescope , general telescopes  
telescop_provid telescopes provide , telescope provide , telescope provided , telescopes providing , telescope providing  
object_diamet objective diameter , object diameter , objects diameter  
telescop_featur telescope features , telescopes features , telescope feature , telescopes featuring , telescope featured , telescope featuring  
modern_telescop modern telescopes , modern telescope  
convex_concav convex concave  
telescop_price telescope price , telescopes prices , telescope prices , telescopes price , telescopes pricing  
look_sun look sun , looking sun  
len_combin lens combined , lens combination  
larger_imag larger image  
kid_telescop kids telescopes , kid telescope , kids telescope , kid telescopes  
van_helden van helden  
telescop_schmidt telescope schmidt  
telescop_microscop telescope microscope , telescopes microscopes  
telescop_perform telescope perform , telescope performs , telescope performance , telescope performed  
telescop_power telescope power , telescopes powerful , telescope powerful , telescopes power , telescope powered  
top_telescop top telescope , top telescopes , tops telescope  
bright_object bright objects , bright object  
telescop_focal telescope focal , telescopes focal  
small_refractor small refractor , small refractors  
brand_telescop brand telescope , brands telescope , brand telescopes  
come_focu come focus , comes focus  
main_mirror main mirror , main mirrors  
telescop_cassegrain telescope cassegrain , telescopes cassegrain  
light_distant light distant  
telescop_modern telescopes modern , telescope modern  
erect_imag erect image , erecting images , erect images  
bigger_telescop bigger telescope , bigger telescopes  
mirror_light mirror light , mirrors light  
telescop_singl telescope single , telescopes single  
maksutov_telescop maksutov telescope , maksutov telescopes  
gregorian_telescop gregorian telescope , gregorian telescopes  
hole_center hole center , holes centers , holes center  
apertur_size aperture size , apertures size , aperture sizes  
seri_telescop series telescopes , series telescope  
observ_galileo observed galileo , observers galileo , observations galileo  
mirror_compos mirror composed  
object_larger objects larger , objectives larger , object larger , objective larger  
galileo_made galileo made  
result_imag resulting image , result image , results image , resultant image  
len_diamet lens diameter , lens diameters  
telescop_smaller telescope smaller , telescopes smaller  
light_color light colors , light color  
lens_spectacl lenses spectacle , lenses spectacles  
galileo_project galileo project  
ground-bas_telescop ground-based telescopes , ground-based telescope  
telescop_brand telescope brands , telescopes brand , telescope brand , telescopes brands  
mead_celestron meade celestron  
mirror_coat mirror coatings , mirror coated , mirror coating , mirrors coated  
hand_control hand control , hand controller , hand controls  
2014_telescop 2014 telescope , 2014 telescopes  
state_gener states general , state general  
telescop_link telescope link , telescopes link , telescope links , telescopes linked , telescopes links , telescope linking  
dobsonian_reflector dobsonian reflector , dobsonian reflectors  
telescop_creat telescope creating , telescope created , telescopes created , telescope create  
march_1610 march 1610  
alt-azimuth_mount alt-azimuth mount , alt-azimuth mounts  
moon_telescop moon telescope , moon telescopic , moon telescopes , moons telescope  
style_telescop style telescope , styles telescope , style telescopes , styles telescopes  
requir_make required make , requirement makes , required making  
achromat_object achromatic objective , achromatic objectives  
telescop_reason telescope reasonable , telescope reasons , telescopes reason , telescopes reasons , telescope reasoned , telescope reasonably  
catadioptr_telescop catadioptric telescopes , catadioptric telescope , catadioptrics telescope  
chromat_aberr chromatic aberration , chromatic aberrations  
telescop_mirror telescope mirror , telescope mirrors , telescopes mirror , telescopes mirrors  
build_telescop build telescope , building telescope , build telescopes , building telescopes , builds telescope , buildings telescope , builds telescopes  
angular_resolut angular resolution  
wavelength_light wavelengths light , wavelength light  
telescop_big telescope big , telescopes big  
telescop_galileo' telescope galileo's  
telescop_specif telescope specifications , telescopes specific , telescope specifically , telescope specific  
terrestri_observ terrestrial observation , terrestrial observations  
telescop_earth telescope earth , telescopes earth  
view_eyepiec view eyepiece , view eyepieces , viewed eyepiece  
question_telescop question telescope , questions telescope , question telescopes  
orion_skyquest orion skyquest  
apertur_telescop aperture telescope , aperture telescopes  
telescop_galileo telescope galileo , telescopes galileo  
larg_mirror large mirrors , large mirror  
telescop_object telescope objective , telescope objectives , telescope objects , telescope object , telescopes objectives , telescopes objects , telescopes object , telescopes objective  
ey_len eye lens  
telescop_histori telescope history , telescopes history  
telescop_seri telescope series , telescopes series , telescopic series  
telescop_import telescope important , telescopes important  
main_telescop main telescope , main telescopes  
larg_lens large lenses , large lense  
telescop_star telescope star , telescope stars , telescopes star  
camera_telescop camera telescope , cameras telescopes , camera telescopes  
price_rang price range , price ranges , prices range , prices ranging  
toi_telescop toy telescope , toy telescopes , toys telescopes  
power_magnif power magnification  
increas_magnif increased magnification , increases magnification , increasing magnification , increase magnification  
imag_eyepiec image eyepiece , imaging eyepiece , image eyepieces , images eyepiece , imaging eyepieces  
wider_field wider field , wider fields  
develop_telescop development telescope , development telescopes , developed telescopes , developed telescope , developments telescope , develop telescope , develops telescope  
clear_imag clear image , clear images , clearness images , clear imaging  
lens_made lenses made  
convex_object convex objective  
telescop_book telescope books , telescope book , telescopes book  
telescop_tripod telescope tripod , telescope tripods , telescopic tripod  
glass_len glass lens  
telescop_recommend telescope recommendations , telescope recommend , telescope recommendation , telescopes recommend , telescope recommending  
time_light times light  
telescop_learn telescope learn , telescopes learn , telescope learning  
magnifi_imag magnified image , magnifies image , magnify image , magnify images , magnifier images , magnified images , magnifies images  
read_telescop read telescope , read telescopes , reading telescope  
ey_relief eye relief  
telescop_basic telescope basics , telescope basic , telescopes basic , telescope basically , telescopes basics , telescopes basically  
telescop_dobsonian telescope dobsonian , telescopes dobsonian  
telescop_space telescope space , telescopes space , telescopes spaced  
resolv_power resolving power  
night_vision night vision  
biggest_telescop biggest telescope , biggest telescopes  
shape_lens shape lenses , shaped lenses  
telescop_central telescope central , telescopes central  
short_focal short focal  
apo_refractor apo refractors , apo refractor  
convex_mirror convex mirror , convex mirrors  
ey_pupil eye pupil  
mirror_allow mirrors allow , mirror allowing , mirror allowed , mirrors allowed  
earli_telescop early telescopes , early telescope  
surfac_ground surface ground  
telescop_antiqu telescope antique , telescopes antique  
albert_van albert van  
telescop_terrestri telescope terrestrial  
telescop_simpl telescope simple , telescopes simple , telescoping simple  
telescop_choos telescope choose , telescopes choose  
price_telescop prices telescopes , price telescope , priced telescopes , prices telescope  
centuri_telescop century telescopes , century telescope , centuries telescopes  
easi_copi easy copy  
survei_telescop survey telescope , survey telescopes  
observ_condit observing conditions , observe conditions  
design_reflect designed reflecting , designs reflecting , design reflecting  
effect_focal effective focal  
mirror_bottom mirror bottom  
diamet_30 diameter 30 , diameters 30  
effect_apertur effective aperture , effects aperture  
thoma_harriot thomas harriot  
telescop_depend telescope depends , telescopes depend , telescope dependent  
reason_price reasonable prices , reasonable price , reasonably priced  
collect_telescop collection telescope , collectible telescopes , collection telescopes , collected telescope , collected telescopes  
roger_bacon roger bacon  
az_refractor az refractor  
telescop_differ telescope difference , telescopes differ , telescope differ , telescope differs  
credit_invent credited invention , credited invented , credited invent , credit invention , credited inventing , credit inventing  
characterist_telescop characteristics telescope , characteristic telescopes , characteristics telescopes , characteristic telescope  
telescop_open telescope open , telescopes open , telescope opened , telescopes opening  
brighter_field brighter field  
imag_erect image erect , image erecting , image erected  
learn_sky learn sky , learning sky , learned sky  
august_1609 august 1609  
invent_scientist invention scientists , invention scientist  
telescop_detail telescope detail , telescope details , telescopes detail , telescopes detailed  
tripod_eyepiec tripod eyepiece , tripod eyepieces  
venic_florenc venice florence  
time_field times field , time field  
6_telescop 6 telescope , 6 telescopes  
crown_glass crown glass , crown glasses  
telescop_shown telescope shown , telescopes shown  
comfort_view comfortable viewing , comfort viewing , comfort view , comfortable view  
smaller_telescop smaller telescopes , smaller telescope  
edg_field edge field , edges field  
ring_saturn rings saturn  
barlow_len barlow lens , barlows lens  
telescop_point telescope pointed , telescope pointing , telescope point , telescopes pointed , telescope points  
telescop_great telescope great , telescopes great  
barlow_lens barlow lenses  
common_type common type , common types , commons type  
eyepiec_accessori eyepieces accessories , eyepiece accessories , eyepiece accessory , eyepieces accessory  
pair_binocular pair binoculars , pairs binoculars , paired binoculars  
eyepiec_eyepiec eyepiece eyepiece , eyepieces eyepieces , eyepiece eyepieces , eyepieces eyepiece  
telescop_field telescope field  
concav_len concave lens  
christoph_scheiner christoph scheiner , christopher scheiner  
starri_messeng starry messenger  
look_look look look , looking look , looking looking  
telescop_thing telescope things , telescope thing  
begin_17th beginning 17th  
schmidt-cassegrain_telescop schmidt-cassegrain telescope , schmidt-cassegrain telescopes  
mm_eyepiec mm eyepiece , mm eyepieces  
optic_path optical path , optical paths , optics path  
eyepiec_barlow eyepiece barlow , eyepieces barlow , eyepieces barlows  
dob dob , dobs  
converg converging , converge , convergent , converges , convergence , converged  
pupil pupil , pupils  
telescop_inform telescopes information , telescope information  
telescop_reach telescopes reached , telescope reached , telescopes reach  
show_detail show detail , shows detail , shows details , showing detail  
telescop_major telescopes major , telescope major  
video_telescop video telescope , videos telescopes , video telescopes , videos telescope  
ocular ocular , oculars , oculare  
view_larger view larger , viewed larger  
optic_axi optical axis  
mount_equatori mount equatorial , mounts equatorial , mounting equatorial , mountings equatorial  
small_number small number , small numbers  
telescop_turn telescope turn , telescope turned , telescope turns  
telescop_repair telescope repair , telescopes repair , telescope repaired , telescope repairs  
telescop_hous telescope house , telescopes housed , telescope housing , telescope housed  
view_directli viewed directly , viewing directly  
star_hop star hopping , star hop , star hops  
scienc_observ science observing , sciences observed , science observations  
spread_rapidli spread rapidly