According to Alemi and Stevenson, in models of the early solar system it is nearly impossible for Venus to avoid a big hit. Most likely, Venus was slammed early on and gained a moon from the resulting debris.
The Golden Gate Bridge was built simply, to connect San Francisco to Marin County. The San Francisco Bay has rough currents and ferries were the only way to get across. Building a bridge just made it easier.
Golden Gate Bridge Facts. The Golden Gate Bridge links the northern tip of the San Francisco Peninsula to Marin County. This suspension bridge is an iconic symbol of San Francisco, California. It spans the Golden Gate, the part of San Francisco Bay that opens to the Pacific Ocean.It took only four years to build and was opened in 1937 for traffic.The bridge itself was believed to be impossible to build but after almost 100 years of discussion it was completed.rior to the Golden Gate Bridge the only short way across the bay was by boat. A ferry ran from approximately 1820, but it wasn't until 1867 that a full ferry service began. By the 1920s this ferry company was the largest of its kind in the world.