- Uranus is the seventh planet from the Sun. Its name is a reference to the Greek god of the sky, Uranus (Caelus), who, according to Greek mythology, was the great-grandfather of Ares (Mars), grandfather of Zeus (Jupiter) and father of Cronus (Saturn). It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. Uranus is similar in composition to Neptune, and both have bulk chemical compositions which differ from that of the larger gas giants Jupiter and Saturn. For this reason, scientists often classify Uranus and Neptune as “ice giants” to distinguish them from the other giant planets.
- Todd’s Railfan Guide to Railroad Bridges (railroadsignals.us)
I started this page after completing a page for Detroit that covered the majority of bridges and overpasses found in the metro area. This is an introduction to the many varieties of railroad bridges that exist, and some that are no longer with us. For further reading, check out some of the links I have come across.