An astronomer wants to resolved two closely spaced stars using one of the telescopes below. Which telescope is most likely to resolve the two stars?

1. Nickel 1-m telescope on Mt. Hamilton
2. Mayall 4-m telescope at Kitt Peak National Observatory
3. Personal 0.25-m telescope
4. 2.4-m telescope at Magdalena Ridge Observatory
5. 10.4-m Gran Telescopio Canarias