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The X-ray spectrometer aboard ISEE-3 was designed to study both solar flares and cosmic gamma-ray bursts over the energy range 5-228 keV. The experiment consisted of 2 cylindrical X-ray detectors: a Xenon filled proportional counter covering 5-14 keV, and a NaI(Tl) scintillator covering 12-1250 keV.
Africa is the world's second-largest and second-most populous continent after Asia.At about 30.3 million km 2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surface area. [9]
Their disappearance would take at least several centuries, but is considered almost inevitable, as their bedrock topography deepens inland and becomes more vulnerable to meltwater, in what is known as marine ice sheet instability. [37] [110] [111] The contribution of these glaciers to global sea levels has already accelerated since the year 2000.
They have many attributes in common with ordinary crystals, such as displaying a discrete pattern in x-ray diffraction, and the ability to form shapes with smooth, flat faces. Quasicrystals are most famous for their ability to show five-fold symmetry, which is impossible for an ordinary periodic crystal (see crystallographic restriction theorem).
This is a list of nicknames of Major League Baseball teams and players. It includes a complete list of nicknames of players in the Baseball Hall of Fame, a list of nicknames of current players, nicknames of popular players who have played for each major league team, and lists of nicknames grouped into particular categories (e.g., ethnic nicknames, personality trait nicknames etc.). [1]
Boulder is a home rule city in and the county seat of Boulder County, Colorado, United States. [1] With a population of 108,250 at the 2020 census, it is the most populous city in the county and the 12th-most populous city in Colorado. [6]
Grenfell (Canada 2016 Census population 1,099) [1] is a town in Southern Saskatchewan, Canada.It is situated at the junction of Highway 47 and the Trans-Canada Highway 1 130 kilometres (80 mi) east of Regina, the provincial capital.
The ThinkPad X1 series is a line of high-end ThinkPad laptop and tablet computers produced by Lenovo.It is a sub-series of the ThinkPad X series designed to be extra premium with material that make them lighter and portable, [1] having been originally classed as Ultrabooks. [2]