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.
In 1903 the New York State legislature authorized construction of the New York State Barge Canal as the Improvement of the Erie, the Oswego, the Champlain, and the Cayuga and Seneca Canals. In 1905, construction of the Barge Canal began, which was completed in 1918, at a cost of $96.7 million.