Goldan Gate Bridge (When The Fog Rolls In)

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The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the opening of the San Francisco Bay into the Pacific Ocean. Total length of the Golden Gate Bridge from abutment to abutment is 8,981 feet (2,737 m). The weight of the roadway is hung from two cables that pass through the two main towers and are fixed in concrete at each end. Each cable is made of 27,572 strands of wire. There are 80,000 miles (129,000 km) of wire in the main cables. The bridge has approximately 1,200,000 total rivets.

goldan gate bridge

Pic Of The Day (Astronomy)

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This week the Sun gave up its strongest solar flare so far in 2013, accompanied by a coronal mass ejection (CME) headed toward planet Earth. A false-color composite image in extreme ultraviolet light from the Solar Dynamics Observatory captures the moment, recorded on April 11 at 0711 UTC. The flash, a moderate, M6.5 class flare erupting from active region AR 11719, is near the center of the solar disk. Other active regions, areas of intense magnetic fields seen as sunspot groups in visible light, mottle the surface as the solar maximum approaches. Loops and arcs of glowing plasma trace the active regions’ magnetic field lines. A massive cloud of energetic, charged particles, the CME will impact the Earth’s magnetosphere by this weekend and skywatchers should be on the alert for auroral displays.

Sun with Solar Flare 
Image Credit: NASA

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