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Comet Kohoutek (formally designated C/1973 E1 and formerly as 1973 XII and 1973f) [c] is a comet that passed close to the Sun towards the end of 1973. Early predictions of the comet's peak brightness suggested that it had the potential to become one of the brightest comets of the 20th century, capturing the attention of the wider public and the press and earning the comet the moniker of "Comet ...
Kahoot! is a Norwegian online game-based learning platform. [3] It has learning games, also known as "kahoots", which are user-generated multiple-choice quizzes that can be accessed via a web browser or the Kahoot! app. [ 4 ] [ 5 ]
Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry in order to ...
Space has fascinated humanity for centuries - from the mystery of the stars to the groundbreaking discoveries that push the boundaries of our understanding. Whether you're an armchair astronomer ...
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.
Coordinate systems in astronomy can specify an object's relative position in three-dimensional space or plot merely by its direction on a celestial sphere, if the object's distance is unknown or trivial. Spherical coordinates, projected on the celestial sphere, are analogous to the geographic coordinate system used on the surface of Earth.
The rising Sun illuminates the inner chamber of Newgrange, Ireland, only at the winter solstice.. Archaeoastronomy (also spelled archeoastronomy) is the interdisciplinary [1] or multidisciplinary [2] study of how people in the past "have understood the phenomena in the sky, how they used these phenomena and what role the sky played in their cultures". [3]
A map of galaxy voids. The structure of the Universe can be broken down into components that can help describe the characteristics of individual regions of the cosmos.