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Thin-film solar cells, a second generation of photovoltaic (PV) solar cells: Top: thin-film silicon laminates being installed onto a roof. Middle: CIGS solar cell on a flexible plastic backing and rigid CdTe panels mounted on a supporting structure Bottom: thin-film laminates on rooftops Thin-film solar cells are a type of solar cell made by depositing one or more thin layers (thin films or ...
For example, an Earth-like planet at 1.25 AU from α Cen A (with a revolution period of 1.34 years) would get Sun-like illumination from its primary, and α Cen B would appear 5.7–8.6 magnitudes dimmer (−21.0 to −18.2), 190–2,700 times dimmer than α Cen A but still 150–2,100 times brighter than the full Moon.
The population density was 6 people per square mile (2.3 people/km 2). The 53,443 housing units averaged 3 units per square mile (1.2 units/km 2). The racial makeup of the county was 63.1% White, 28.5% Native American, 1.0% African American, 0.8% Asian, 4.2% from other races, and 2.4% from two or more races. About 10.9% of the population were ...
The contiguous urban area is 2,281 square miles (5,910 km 2), [1] whereas the remainder mostly consists of mountain and desert areas. With an estimated population of over 18.3 million (U.S. Census Bureau, 2023), [ 2 ] it is the second-largest metropolitan area in the country, behind New York , as well as one of the largest megacities in the world .
After the Land Boundary Agreement, India lost around 40 square kilometres (15 sq mi) to Bangladesh. [ 13 ] [ 14 ] Since the exchange of territory took place, the only remaining enclave is Dahagram–Angarpota , an exclave of Bangladesh.
In 2008 the total number of full-time equivalent jobs was 234. The number of jobs in the primary sector was 40, of which 29 were in agriculture and 11 were in forestry or lumber production. The number of jobs in the secondary sector was 70 of which 21 or (30.0%) were in manufacturing and 49 (70.0%) were in construction.
According to the U.S. Census Bureau, Lawrence has a total area of 20.25 square miles (52.45 km 2), of which 0.10 square miles (0.26 km 2), or 0.48%, are water. [2] Fall Creek , a southwest-flowing tributary of the White River flows through the northwest part of the city, and in places forms the city's northwest boundary.
Approximately 4.8% or 36,845.6 square kilometres (3,684,560 ha) of Pakistan was forested in 2021. [202] [j] Markhor is the national animal of Pakistan. [203] Pakistan's fauna mirrors its diverse climate. The country boasts around 668 bird species, [204] including crows, sparrows, mynas, hawks, falcons, and eagles.