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In 1974, the Health and Safety at Work Act laid down general principles for the management of health and safety at work in Britain. [2] This legislation, together with the establishment of the Health and Safety Executive (HSE) and Health and Safety Commission (HSC) (now merged), led to more emphasis being placed on occupational safety and health by UK employers from the mid-1970s onwards. [3]
NGC 1 and NGC 2 as an optical double. At an estimated 140,000 light-years in diameter, [4] NGC 1 is roughly the same size as our galaxy, the Milky Way, which is believed to be approximately 160,000 light-years across. [6]
The New General Catalogue of Nebulae and Clusters of Stars (abbreviated NGC) is an astronomical catalogue of deep-sky objects compiled by John Louis Emil Dreyer in 1888. The NGC contains 7,840 objects, including galaxies, star clusters and emission nebulae.
What makes level 3 questions difficult is the likely existence of more than one correct answer forcing the individual to decide which answer is the best choice. Level 2 and Level 3 questions make up about 95 percent of the questions on the NCLEX exam. However, it is possible for the exam to have no Level 1 question. [4]
This is a list of NGC objects 1–1000 from the New General Catalogue (NGC). The astronomical catalogue is composed mainly of star clusters, nebulae, and galaxies.Other objects in the catalogue can be found in the other subpages of the list of NGC objects.
NGC 3 is a lenticular galaxy with the morphological type of S0, located in the constellation of Pisces. Other sources classify NGC 3 as a barred spiral galaxy as a type of SBa. It was discovered on November 29, 1864, by Albert Marth .