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A Question and Answer Guide to Astronomy is a book about astronomy and cosmology, and is intended for a general audience.The book was written by Pierre-Yves Bely, Carol Christian, and Jean-Rene Roy, and published in English by Cambridge University Press in 2010.
This article is a list of notable unsolved problems in astronomy. Problems may be theoretical or experimental. Theoretical problems result from inability of current theories to explain observed phenomena or experimental results. Experimental problems result from inability to test or investigate a proposed theory.
Observational astronomy is focused on acquiring data from observations of astronomical objects. This data is then analyzed using basic principles of physics. Theoretical astronomy is oriented toward the development of computer or analytical models to describe astronomical objects and phenomena. These two fields complement each other.
Medical questions-Answer my health question-Themedicalquestions.com; The Patient Forum - Ask the Expert; University of Maryland Medical Center; Ask the Expert; Health care question and answers - Ask, answer and share; World Health Organization; WHO | Online Q&A (in Arabic, Chinese, English, French, Russian, and Spanish) Ask medical questions to ...
Before 2006, Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto were considered as planets. Below are partial list of these mnemonics: "Men Very Easily Make Jugs Serve Useful Needs, Perhaps" – The structure of this sentence, which is current in the 1950s, suggests that it may have originated before Pluto's discovery.
A team of international researchers has indicated that life on Earth will likely be wiped out within the next 5 billion years.
The following is a list of notable unsolved problems grouped into broad areas of physics. [1]Some of the major unsolved problems in physics are theoretical, meaning that existing theories seem incapable of explaining a certain observed phenomenon or experimental result.
The paper consists of 48 single correct type and 12 multiple correct type questions. It has a time limit of 2 hours. There are questions from high school level physics, mathematics and some questions from general astronomy.