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Ragbir Bhathal
Ragbir Bhathal was an Australian astronomer and author, based at the Western Sydney University (WSU), Australia. He was known for his work on Optical SETI, Search for Extra-Terrestrial Intelligence (OSETI). He continued lecturing and research at WSU until he died at the age of 86 on 30 November 2022. Career He did his Ph.D. in magnetism at the University of Queensland. He served as a UNESCO consultant on science policy for the ASEAN group of nations, as an Adviser to the Federal Minister for Science and was the Project Director for the million dollar Sydney Observatory restoration building program. He designed and built the twin dome Campbelltown Rotary Observatory at the WSU Campbelltown Campus, was Director of the Observatory 2000-2022 and was Patron of Macarthur Astronomical Society from 1997 to 2011. On 16 May 2018, ''The Macarthur Advertiser'' newspaper reported in its printed version that Dr. Bhathal "was recently elected as a Fellow of the London-based Royal Astron ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
2010-05-17 Ragbir Bhathal
1 (one, unit, unity) is a number representing a single or the only entity. 1 is also a numerical digit and represents a single unit of counting or measurement. For example, a line segment of ''unit length'' is a line segment of length 1. In conventions of sign where zero is considered neither positive nor negative, 1 is the first and smallest positive integer. It is also sometimes considered the first of the infinite sequence of natural numbers, followed by 2, although by other definitions 1 is the second natural number, following 0. The fundamental mathematical property of 1 is to be a multiplicative identity, meaning that any number multiplied by 1 equals the same number. Most if not all properties of 1 can be deduced from this. In advanced mathematics, a multiplicative identity is often denoted 1, even if it is not a number. 1 is by convention not considered a prime number; this was not universally accepted until the mid-20th century. Additionally, 1 is ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
