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Specifically, the weather must be better than basic VFR weather minima, i.e., in visual meteorological conditions (VMC), as specified in the rules of the relevant aviation authority. The pilot must be able to operate the aircraft with visual reference to the ground, and by visually avoiding obstructions and other aircraft.
The X-15-3 was at an altitude of 62,000 feet (19,000 m) when it broke up while diving at a speed of 3,800 feet per second — 2,600 miles per hour (4,200 km/h) — with impact in the desert near Johannesburg, California.
Solar radiation modification (SRM) (or solar radiation management or sunlight reflection methods [1] or solar geoengineering), is a group of large-scale approaches to limit global warming by increasing the amount of sunlight (solar radiation) that is reflected away from Earth and back to space.
San Jose, California – racial and ethnic composition Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos may be of any race. Race / ethnicity (NH = Non-Hispanic) Pop. 2000 [120] Pop. 2010 [121] Pop. 2020 [122] % 2000 ...
The altitude and size of the range affect the climate in Europe; in the mountains, precipitation levels vary greatly and climatic conditions consist of distinct zones. Wildlife such as ibex live in the higher peaks to elevations of 3,400 m (11,155 ft), and plants such as edelweiss grow in rocky areas in lower elevations as well as in higher ...
On 23 July 2014, TransAsia Airways Flight 222 crashes into the village of Xixi while attempting to land at Magong Airport during inclement weather and low visibility, killing 48 of the 58 people on board and injuring 5 people in the village. The investigation found that the pilots intentionally descended below the minimum descent altitude.
[261] [262] Cave gates are sometimes installed to limit human entry into caves with sensitive or endangered bat species. The gates are designed not to limit the airflow, and thus to maintain the cave's micro-ecosystem. [263] Of the 47 species of bats found in the United States, 35 are known to use human structures, including buildings and bridges.
Launch was at that time planned for 2007, but the launch date was pushed back many times (see table further down). In 2002, the project was renamed after NASA's second administrator (1961–1968), James E. Webb (1906–1992). [92] Webb led the agency during the Apollo program and established scientific research as a core NASA activity. [93]