With a diameter of almost 90,000 miles, this planet is equal in size to about 1,300 Earths
... Jupiter-a chestnut or a pecan, diameter 0.90 
inch .... real in model Earth's width 8,000 miles 8/100 inch Sun's width 800,000 
miles 8 inches ... Schematic pictures often show the planets on parade at about 
equal... [DOC] [TLE] Chapter 3 [PAR] ning when a 12-kilogram (30-pound) meteorite about the size of a football ... 
Apophis will be about 36,000 kilometers (22,500 miles) away, ... bus-sized object 
exploded in midair with the force estimated equal ... About 90,000 asteroids have 
..... system rocks planets.