Castle bravo

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The Castle Bravo nuclear test March 1, 1954, showing the mushroom cloud from the 15-megaton device, with multiple condensation rings.  When Bravo was detonated, within one second it formed a fireball almost 4.5 miles (7.2 km) across. This fireball was visible on Kwajalein atoll over 250 miles (400 km) away. The explosion left a crater 6,500 feet (2,000 m) in diameter and 250 feet (76 m) in depth. The mushroom cloud reached a height of 47,000 feet (14,000 m) and a diameter of 7 miles (11 km) in a Castle Bravo, Kwajalein Atoll, Jeffrey Lewis, Mushroom Cloud, Nuclear Test, Civil Defense, The Marshall, The Fallout, Marshall Islands

The Castle Bravo nuclear test March 1, 1954, showing the mushroom cloud from the 15-megaton device, with multiple condensation rings. When Bravo was detonated, within one second it formed a fireball almost 4.5 miles (7.2 km) across. This fireball was visible on Kwajalein atoll over 250 miles (400 km) away. The explosion left a crater 6,500 feet (2,000 m) in diameter and 250 feet (76 m) in depth. The mushroom cloud reached a height of 47,000 feet (14,000 m) and a diameter of 7 miles (11 km)…

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The Remarkable Ancient Navigation System of the Marshall Islands | Ancient Origins Castle Bravo, Guatemala Beaches, Venezuela Beaches, Honduras Beach, Kwajalein Atoll, Barbados Beaches, Monster Factory, Puerto Rico Beaches, Philippines Beaches

People were navigating long distances between islands in the Pacific for at least 2,000 years. How did they do it without astrolabes, sextants or modern satellite positioning technology? One group, the Marshall islanders, used unique stick charts and closely read the sea and its swells and currents for clues about where the islands were.

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