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The Racetrack Playa is 3,714 feet (1,132 m) above sea level, and 2.8 mi (4.5 km) long (north-south) by 1.3 mi (2.1 km) wide (east-west). The playa is exceptionally flat and level with the northern end being only 1.5 inches (3.8 cm) higher than the southern. This occurrence is due to major influx of fine-grained sediment that accumulates at the ...
Stumm, 1970. A Petoskey stone is a rock and a fossil, often pebble-shaped, that is composed of a fossilized rugose coral, Hexagonaria percarinata. [ 1] Such stones were formed as a result of glaciation, in which sheets of ice plucked stones from the bedrock, grinding off their rough edges and depositing them in the northwestern (and some in the ...
List of USA satellites. This is a list of satellites and spacecraft which have been given USA designations by the United States Air Force. These designations have been applied to most United States military satellites since 1984, and replaced the earlier OPS designation. As of June 2022, USA designations have been assigned to 331 space satellites.
Hot Rocks 1964–1971 is a compilation album by the Rolling Stones released by London Records in December 1971. It became the Rolling Stones' best-selling release of their career and an enduring and popular retrospective. The album includes a mixture of hit singles, such as "Jumping Jack Flash", B-sides such as "Play with Fire", and album ...
High-resolution satellite imagery (1 metre and less) has been available since 1999, but its use for North Korean studies did not emerge until 2012. By 2004, researchers and NGOs had imaging and computing capabilities comparable to those available to the US government 20-30 years earlier, in the 1970s.
The Seven Stones reef is a rocky reef nearly 15 miles (24 km) west of Land's End, Cornwall and 7 miles (11 km) east-northeast of the Isles of Scilly. The reef consists of two groups of rocks and is nearly 2 miles (3.2 km) long and 1 mile (1.6 km) in breadth. They rise out of deep water and are a navigational hazard for shipping with 71 named ...
^ Florida's state gem, moonstone, was adopted to highlight Florida's role in the United States' Lunar program, which landed the first astronauts on the Moon. [81] ^ Since 1983, Massachusetts has had 3 other official state rocks: State Historical Rock (Plymouth Rock), State Explorer Rock (Dighton Rock), and State Building and Monument Stone . In ...
The Perseid meteor shower peaked in the night skies of Sunday into Monday, giving astronomy fans one of the best shows of 2024 as they looked to the skies. Perseid meteor shower put on quite a ...