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.
the golden gate bridge is a suspension bridge spanning the golden gate strait the 1 mile 1 6 km wide 3 mile 5 km long channel between san francisco bay and the pacific oceanhe golden gate bridge s clearance above high water averages 220 feet 67 m while its towers at 746 feet 227 m above the water were the world s tallest on a suspension bridge until 1998 when bridges in denmark and japan were completed