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In accordance with the naming convention for HH objects, he named two nebulae he found HH 46 and HH 47, as they were the 46th and 47th HH objects to be discovered. [3] The jet and other nebulae were soon identified in the complex. [4] [5] This was the first jet to be discovered near a protostar. Prior to this, it was unclear how Herbig–Haro ...
The Arizona Republic published a story on July 7 about Tempe resident Francis Howell, who reported seeing a "circular object about two feet [60 cm] in diameter floating to the earth" near his home. According to Howell, when he approached the object, it "slowly went into the air at a 45-degree angle headed in the direction of Phoenix". [ 8 ]
The Tucson artifacts, sometimes called the Tucson Lead Crosses, Tucson Crosses, Silverbell Road artifacts, or Silverbell artifacts, were thirty-one lead objects that Charles E. Manier and his family found in 1924 near Picture Rocks, Arizona, that were initially thought by some to be created by early Mediterranean civilizations that had crossed the Atlantic in the first century, but were later ...
Several HH objects have been seen near a single energy source, forming a string of objects along the line of the polar axis of the parent star. [7] The number of known HH objects has increased rapidly over the last few years, but that is a very small proportion of the estimated up to 150,000 in the Milky Way , [ 25 ] the vast majority of which ...
Arizona is also one of the Four Corners states and is diagonally adjacent to Colorado. Arizona has a total area of 113,998 square miles (295,253 km 2), making it the sixth largest U.S. state. [1] Of this area, just 0.3% consists of water, which makes Arizona the state with the second lowest percentage of water area (New Mexico is the lowest at ...
The Rhodes flying disc photos of Phoenix were published by the Arizona Republic on July 9. Al Hixenbaugh of the Louisville Times photographed two objects streaking across the sky. [130] William A. Rhodes photographed an object over the skies of Phoenix. [131] Disc reports from Iran were published in US media. [132]
Apart from rare examples running on snow or ice (such as Max Valier's RAK BOBs of the late 1920s [1] and Harry Bull's BR-1 in 1931 [2]), most rocket sleds run on a track. Although some rocket sleds ride on single beams or rails, most use a pair of rails. Standard gauge (1.435 m / 56.5 in) is common but sled tracks of narrower or wider gauge ...
Sleds as the normal form of winter transport near Stockholm c. 1800. A carabao sled ( kangga ) in the Philippines (c. 1899) A child's sledge (19th century), Radomysl Castle The people of Ancient Egypt are thought to have used sledges (aka "skids") extensively in the construction of their public works, in particular for the transportation of ...