The planet Earth weighs approximately
The planet Earth weighs approximately 5,974,000,000,000,000,000,000,000 kilograms, that’s roughly the same amount of weight as 54,807,339,449,541,284,403 …
Spain sold Florida to the US on this day(22nd Feb)
Under the Adams–Onís Treaty, Spain sold the state of Florida to the United States for five million dollars on February 22, 1819. Signed between Spanish …