The Sun -- 865,000 miles in diameter (model is 10 feet in diameter)

Located in the Estabrook School Lobby 117 Grove Street, Lexington,MA

MERCURY-- 2,900 miles in diameter (.4 inch model)

35,960,000 miles from the sun

Located in front of Estabrook School (.08 miles from the model sun)

VENUS -- 7,600 miles in diameter (1 inch model)

67,200,000 miles from the sun

Located at the Spencer Residence 122 Grove Street, Lexington, MA (.13 miles from the model sun)

EARTH -- 7,913 miles in diameter (1 inch model)

92,900,000 miles from the sun

Located at the Greenberg Residence 4 Royal Circle, Lexington, MA (.19 miles from the model sun)

MARS -- 4,200 miles in diameter (.5 inch model)

141,600,000 miles from the sun

Located at 37 Bernard Street, Lexington, MA (.28 miles from the model sun)

JUPITER--86,800 miles in diameter (.5 inch model)

141,600,000 miles from the sun

Located in the Pediatric Medical Building 29 Hartwell Avenue, Lexington, MA (.95 miles from the model sun)

SATURN--71,500 miles in diameter (9 inch model)

886,200,000 miles from the sun

Located in the Lexington Coin Shop 76 Bedford Street #3, Lexington, MA (1.8 miles from the model sun)

URANUS-- 29,400 miles in diameter (4 inch model)

1,783, 000, 000 miles from the sun

Located in the Lexington Public Schools Administration Building, 1557 Massachusetts Avenue, Lexington, MA (3.6 miles from the model sun)

NEPTUNE--28,000 miles in diameter (4 inch model)

2,794,000,000 miles from the sun

Located at Pinches & Pounds Candy Store Woburn Mall, Woburn,MA (5.68 miles from the model sun)

PLUTO -- about 3,600 miles in diameter (.5 inch model)

3,670,000,000 miles from the sun

Located in the Arlington Public Library Children's Room, Massachusetts Avenue Arlington, MA (7.58 miles from the model sun)