A.Z.....................................................................

America....................................................................

Arizona....................................................................

David Nunuk....................................................................

David Nunuk....................................................................

From left to right: Spacewatch 1.8 m telescope....................................................................

Kitt Peak National Observatory....................................................................

Kitt Peak National Observatory....................................................................

Kitt Peak National Observatory Mayall 4 m telescope....................................................................

Quinlan Mountains....................................................................

Sonoran Desert....................................................................

Spacewatch .9 m telescope....................................................................

Steward Observatory´....................................................................

U.S.....................................................................

U.S.A.....................................................................

USA....................................................................

United States of Ameica....................................................................

acp40751....................................................................

astronomy....................................................................

backlit....................................................................

blue....................................................................

color image....................................................................

color images....................................................................

colour image....................................................................

colour images....................................................................

constellation....................................................................

constellations....................................................................

dark....................................................................

evening....................................................................

exterior....................................................................

exteriors....................................................................

kitt peak....................................................................

near Tuscon Ariz....................................................................

night....................................................................

nighttime....................................................................

nite....................................................................

outdoor....................................................................

outdoors....................................................................

outside....................................................................

s Bok 2.3 m telescope....................................................................

science....................................................................

silhouette....................................................................

silhouettes....................................................................

skies....................................................................

sky....................................................................

space....................................................................

star....................................................................

stars....................................................................

technology....................................................................

telescope....................................................................

telescopes....................................................................

twilight....................................................................

vertical....................................................................

with the constellation Orion above....................................................................