Search results
Results from the WOW.Com Content Network
Baltis Vallis / ˈ b ɔː l t ɪ s ˈ v æ l ɪ s / is a sinuous channel on Venus ranging from 1–3 km (0.62–1.86 mi) wide and ~6,800 km (4,200 mi) long, slightly longer than the Nile and the longest known channel of any kind in the Solar System. It is thought the channel once held a river of lava.
This is a list of streams and rivers in the U.S. state of Florida.With one exception, the streams and rivers of Florida all originate on the Coastal plain.That exception is the Apalachicola River, which is formed by the merger of the Chattahoochee River, which originates in the Appalachian Mountains, and the Flint River, which originates in the Piedmont.
Venus also presents several significant challenges to human colonization. Surface conditions on Venus are difficult to deal with: the temperature averages around 464 °C (737 K; 867 °F), [9] higher than the melting point of lead, which is 327 °C (600 K; 621 °F)C.
Global surface of Venus. The mapping of Venus refers to the process and results of human description of the geological features of the planet Venus.It involves surface radar images of Venus, construction of geological maps, and the identification of stratigraphic units, volumes of rock with a similar age.
The history of Florida can be traced to when the first Paleo-Indians began to inhabit the peninsula as early as 14,000 years ago. [1] They left behind artifacts and archeological remains. Florida's written history begins with the arrival of Europeans; the Spanish explorer Juan Ponce de León in 1513 made the first
The borders of East and West Florida varied. In 1783, when Spain acquired West Florida and re-acquired East Florida from Great Britain through the Peace of Paris (1783), the eastern British boundary of West Florida was the Apalachicola River, but Spain in 1785 moved it eastward to the Suwannee River.
Roberts Island divides Crystal River and Salt River, a distributary of Crystal River, as they diverge. Both rivers are tidal. [1] The site is 0.5 kilometres (0.31 mi) downstream from the Crystal River archaeological site, [2] Roberts Island has Hallandale-Rock Outcrop as the primary soil type, with some areas of soil produced by prehistoric human activities. [1]
A plaque showing the locations of a third of the missions between 1565 and 1763. Beginning in the second half of the 16th century, the Kingdom of Spain established missions in Spanish Florida (La Florida) in order to convert the indigenous tribes to Roman Catholicism, to facilitate control of the area, and to obstruct regional colonization by Protestants, particularly, those from England and ...