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The Crab Pulsar was the first pulsar for which the spin-down limit was broken using several months of data of the LIGO observatory. Most pulsars do not rotate at constant rotation frequency, but can be observed to slow down at a very slow rate (3.7 × 10 −10 Hz/s in case of the Crab). This spin-down can be explained as a loss of rotation ...
The Crab Nebula (catalogue designations M1, NGC 1952, Taurus A) is a supernova remnant and pulsar wind nebula in the constellation of Taurus.The common name comes from a drawing that somewhat resembled a crab with arms produced by William Parsons, 3rd Earl of Rosse, in 1842 or 1843 using a 36-inch (91 cm) telescope. [6]
The Crab Nebula was identified as the supernova remnant of SN 1054 between 1921 and 1942, at first speculatively (1920s), with some plausibility by 1939, and beyond reasonable doubt by Jan Oort in 1942. In 1921, Carl Otto Lampland was the first to announce that he had seen changes in the structure of the Crab Nebula. [4]
The movie portrays various incidents that take place during the Big Year event, while the trio compete with each other and many other birders to achieve the world record of sighting the highest number of birds. Brad and Stu become friends and help each other in the competition, and Brad is attracted to a fellow birder, Ellie.
Pulsar wind nebulae evolve through various phases. [2] [5] New pulsar wind nebulae appear soon after a pulsar's creation, and typically sit inside a supernova remnant, for example the Crab Nebula, [6] or the nebula within the large Vela Supernova Remnant. [7] As the pulsar wind nebula ages, the supernova remnant dissipates and disappears.
The Crab Nebula, and the Crab Pulsar within it, is an intense space X-ray source. It is used as a standard candle in the calibration procedure of X-ray instruments in space. However, because of the Crab Nebula's variable intensity at different X-ray energies, conversion of the Crab to another units depends on the X-ray energy range of interest.
Bird is a 2024 drama film written and directed by Andrea Arnold and starring Nykiya Adams, Barry Keoghan, and Franz Rogowski. The film had its world premiere at the 77th Cannes Film Festival on 16 May 2024. [ 3 ]
Michael Gingold of Rue Morgue wrote a positive review of the film, writing that "For teen and older fans who can get into its goofball spirit and its clear love of animal-attack mayhem, CRABS! is a diverting, no-longer-than-it-has-to-be 80 minutes that will fill the bill for future festival/late-night screenings and alcohol-fueled watch parties."