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Theoretical astronomy is the use of analytical and computational models based on principles from physics and chemistry to describe and explain astronomical objects and astronomical phenomena. Theorists in astronomy endeavor to create theoretical models and from the results predict observational consequences of those models.
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.
Theoretical astronomy is oriented toward the development of computer or analytical models to describe astronomical objects and phenomena. These two fields complement each other. Theoretical astronomy seeks to explain observational results and observations are used to confirm theoretical results.
The Institute of Theoretical Astronomy, which was created by Fred Hoyle in 1967. Its building is the main departmental site (the Hoyle Building), with a lecture theatre added in 1999, and a second two-storey wing built in 2002.
The theory he devised to explain what he found is called the Big Bang theory. [ citation needed ] In 1931, Lemaître proposed in his " hypothèse de l'atome primitif " (hypothesis of the primeval atom) that the universe began with the "explosion" of the "primeval atom " – what was later called the Big Bang.
Hypothetical astronomical objects have been speculated to exist both inside and outside of the Solar System, and speculation has included different kinds of stars, planets, and other astronomical objects.
Some elements of the original nebular theory are echoed in modern theories of planetary formation, but most elements have been superseded. According to the nebular theory, stars form in massive and dense clouds of molecular hydrogen—giant molecular clouds (GMC). These clouds are gravitationally unstable, and matter coalesces within them to ...
Annibale de Gasparis (Italian pronunciation: [anˈniːbale de ˈɡasparis]; 9 November 1819 – 21 March 1892) was an Italian astronomer, known for discovering asteroids and his contributions to theoretical astronomy.