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PSR B1919+21 is a pulsar with a period of 1.3373 seconds [4] and a pulse width of 0.04 seconds. Discovered by Jocelyn Bell Burnell on 28 November 1967, it is the first discovered radio pulsar. [5]
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.
The Philadelphia Phillies have added another weapon to their starting rotation, picking up pitcher Jesús Luzardo in a trade with the Miami Marlins, according to The Athletic's Matt Gelb.
1q21.1 duplication syndrome, also known as 1q21.1 microduplication, is an uncommon copy number variant associated with several congenital abnormalities, including developmental delay, dysmorphic traits, autism spectrum disorder, and congenital cardiac defects. [1]
The lines show the growth of the numbers of digits in the look-and-say sequences with starting points 23 (red), 1 (blue), 13 (violet), 312 (green).
Approximately 75% of all children with a 1q21.1 microdeletion exhibit delayed development, notably in motor skills such as sitting, standing, and walking. [1] Individuals may have generalized mild learning difficulties; about 30% of those diagnosed with 1q21.1 deletion syndrome are affected.
Sandstorm, 1894 Main Street, 1894 Bank of America Building, Midland's tallest. Midland was established in June 1881 as Midway Station, on the Texas and Pacific Railway.Its name came from its central location between Fort Worth and El Paso, but because there were already other towns in Texas named Midway, the city changed its name to Midland in January 1884 when it was granted its first post ...
The Russo-Ukrainian War [d] began in February 2014. Following Ukraine's Revolution of Dignity, Russia occupied and annexed Crimea from Ukraine and supported pro-Russian separatists fighting the Ukrainian military in the Donbas War.