The solar system includes moons (and some of those moons have moons), supernova explosions, comets, meteors, asteroids, and plain old space dust. To be sure, there are more objects in our solar system, some of which have yet to be discovered.
The canal was not complete in 1825, however. Many years after opening, people decided the canal needed to be a bit wider and larger. People wanted to connect more waterways to the Erie Canal in order to get full use out of the canal system. So, between 1836 and 1862 the Erie Canal was made wider and was connected to other canals.
On April 15th, 1817, the New York State Legislature finally approved construction of the Erie Canal, which Jesse Hawley had written so compellingly about just a decade earlier. The bill authorized $7 million for construction of the 363-mile long waterway, which was to be 40 feet wide and four feet deep.