Source: K. Don and NOAO/AURA/NSFKitt Peak National ObservatoryMondoAmerica del NordStati Uniti d\'AmericaContea di PimaArizonaKitt Peak National Observatory
Source: NOAO/AURA/NSFKitt Peak National ObservatoryMondoAmerica del NordStati Uniti d\'AmericaContea di PimaArizonaKitt Peak National Observatory
Source: T. Abbott and NOAO/AURA/NSKitt Peak National ObservatoryMondoAmerica del NordStati Uniti d\'AmericaContea di PimaArizonaKitt Peak National Observatory
Source: NOAO/AURA/NSFKitt Peak National ObservatoryMondoAmerica del NordStati Uniti d\'AmericaContea di PimaArizonaKitt Peak National Observatory
Source: NOAO/AURA/NSFKitt Peak National ObservatoryMondoAmerica del NordStati Uniti d\'AmericaContea di PimaArizonaKitt Peak National Observatory
Source: NOAO/AURA/NSFKitt Peak National ObservatoryMondoAmerica del NordStati Uniti d\'AmericaContea di PimaArizonaKitt Peak National Observatory
Source: NOAO/AURA/NSFKitt Peak National ObservatoryMondoAmerica del NordStati Uniti d\'AmericaContea di PimaArizonaKitt Peak National Observatory
Source: T. Abbott and NOAO/AURA/NSKitt Peak National ObservatoryMondoAmerica del NordStati Uniti d\'AmericaContea di PimaArizonaKitt Peak National Observatory
Source: NOAO/AURA/NSFKitt Peak National ObservatoryMondoAmerica del NordStati Uniti d\'AmericaContea di PimaArizonaKitt Peak National Observatory
Source: NOAO/AURA/NSFKitt Peak National ObservatoryMondoAmerica del NordStati Uniti d\'AmericaContea di PimaArizonaKitt Peak National Observatory
Source: P. Marenfeld (NOAO/AURA/NSF)Kitt Peak National ObservatoryMondoAmerica del NordStati Uniti d\'AmericaContea di PimaArizonaKitt Peak National Observatory
Source: Tom Sebring/AURA/Gemini Observatory/NOAO/NSFKitt Peak National ObservatoryMondoAmerica del NordStati Uniti d\'AmericaContea di PimaArizonaKitt Peak National Observatory