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💫 *UNIVERSE*🤔



*The study of universe is known as 
*Ans : Cosmology*
*The universe comprises of billions of 
*Ans : Galaxies*
*The galaxies are made up of millions of 
*Ans : Stars*
*Father of modern Astronomy 
*Ans : Copernicus*
*The astronomer known as the Law Giver of Heavens 
*Ans : Kepler*
*Light year and parsec are the units of measuring distances in the
*Ans : Universe*
*The distance travelled by light in one year is called
*Ans : One light year*
*One light year = 9.46 x 1012 kilometers 
*An astronomical unit of distance 
*Ans : Parsec*
*One parsec = 3.26 light year
*Scientist who found universe is expanding, in 1929
*Ans : Sir Edwin Hubble*
*Geocentric theory was propounded (the Earth was the centre of universe) by
*Ans : Ptolemy*
*Heliocentric theory was propounded (the Sun is the centre of the universe) by
*Ans : Copernicus*
*Laws of Planetary motion was discovered by
*Ans : Kepler*
*Study of celestial bodies and universe 
*Ans : Astronomy* 
*Study of the structure of the universe 
*Ans : Cosmology*
*Study of the origin of universe 
*Ans : Cosmogony*
*Study of life in outer space 
*Ans : Exobiology* 
*Study of moon
*Ans : Selenology* 
*Study of Space Craft 
*Ans : Astronautics* 
*Study of Sun
*Ans : Heliology*
*International Astronomical year was observed by UNO in
*Ans : 2009*
 *Father of Indian astronomy
*Ans : Aryabhattan* 
*Father of Scientific astronomy
*Ans : Kepler* 
*Father of modern Indian astronomy 
*Ans : M.K.Vainu Bappu*

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