The earth is farthest away from the Sun at Perihelion which generally occurs on July 4 3. Introduction – Explain that after long debates and multiple theories, scientists have come to believe that universe as we know today was formed 13.6 billion years ago as a result of Big Bang Theory . [NDA/NA 2016-1] 1. Great bear is a [NDA 2008-II], Which one of the following statements is not correct? Venial equinox occurs on March 21. Autumnal equinox occurs on September 23. question_answer98) Match List-I with List-II and select the correct answer using the codes given below the lists: List-I (Planets) List-II (Satellites) A. Ncert Solutions Energy received by the Earth from solar radiations continues to exceed the energy lost by outgoing long-wave radiations from the Earth's surface up to 4:00 p.m. Early theories only focus on the evolution of earth and planet, but modern theory such as big bang tries to solve the problems of the origin of the universe. Geography Mains For UPSC For UP-PCS ... but modern theory such as big bang tries to solve the problems of the origin of the universe. One of the most accepted model for the origin of the universe; According to this theory about 13.8 Billion years ago ,all matter and energy were focused into a zone smaller than an atom. question_answer38) The group of small pieces of rocks revolving round the sun between the orbits of Mars and Jupiter are called. 2. Examine these two statements carefully and select the correct answer by using the codes given below. If you remember how nebular hypothesis is the early theory and in that we read about the formation of sun, stars, planets, asteroids etc, in Big Bang theory scientists decided – “let’s look at the larger picture, let’s find out how the universe came into existence”. 2. Examine these two statements carefully and select the correct answer by using the codes given below: Consider the following two statements, one labelled as the Assertion [A] and other as Reason [R]. 2. (1)The movement of interior plates of earth causes change in surface of earth. Over time, the distance between Galaxies is increasing. Some scientists believe that this expansion is finite and will done day cease. Hope at least the basics of the ‘not-so-easy-to-understand’ Big Bang theory of energy to mass conversion is clear! Plasma Universe Theory. question_answer45) By how much degree the earth is inclined on its own axis, question_answer46) The planet Pluto has been abandoned from the group of conventional planet and kept in the group of dwarf plane by a summit held in. Mixture of gases C. Atmosphere 3. Jan 10,2021 - The Earth and The Universe Famous Books for UPSC Exam (Summary & Tests) is created by the best UPSC teachers for UPSC preparation. of 28th February 2013? Primary And Secondary Effects Of The Haiti Earthquake 2010. It is also called the expanding universe hypothesis. Solved Papers [CDS 2016-II], Match List-I with List-II and select the correct answer using the code given below the Lists: [CDS 2016-II], Which of the following elements are found in highest and lowest quantities respectively in the crust of the earth? Related. Big bang theory is the modern theory in terms of the origin of earth. As the Universe expanded, matter began to coalesce into gas clouds and the stars and planets. Which of the statement(s) given above is/are correct? [NDA 2014-II]. A trusted mentor and pioneer in online training, Alex's guidance, strategies, study-materials, and mock-exams have helped thousands of aspirants to become IAS, IPS, and IFS officers. No sun-rise and sun set 2. Assertion [A]: Existence of human life on Venus is highly improbable. Reason [R]: A comet develops a tail when it gets close to the sun. Gravitational force 4. Halley. It is also called Expanding Universe Hypothesis. Below, we have discussed seven of the most popular alternatives of the Big Bang, explaining the origin of the Universe. Amazing Facts Target UPSC and UP PCS. (4) The inner core of the earth is in molten state. Join TMF here. question_answer88) Consider the following two statements, one labelled as the Assertion [A] and other as Reason [R]. Gravitational waves, the only known form of information that can reach us undistorted from the instant of the Big Bang, can carry information that we can get no other way. Occurrence of sunrise, noon and sunset. The lines joining the places which were affected 3. Consider the following statements. Cosmic microwave background (CMB), electromagnetic radiation filling the universe that is a residual effect of the big bang 13.8 billion years ago. It is the observation that the expansion of the universe is such that the velocity at which a galaxy is moving away from the observer is continuouslyincreasingwith time (Hubble’s law). While other planets revolve around the sun from west to east i.e. Atoms like Hydrogen were formed. Visit your nearby library and refer the suggested books provided in this website. The length of day and night is more or less equal over the year, 2. Magnetic field of the earth. This “stuff” has been dubbed dark energy, but to give it a name is not to understand it. Is it too late for me to aspire for the IAS. of 28th February 2013? question_answer20) Which one of the following planets rotates clockwise? question_answer63) How much is the mass of the moon when compared with that of the earth? (i) Big Bang theory . In this lesson we will learn about the Nebular Hypothesis. Copyright © 2007-2020 | Which of the following elements occurs the most abundantly in our universe? (1) The average density of the outer crust is 2.8. Apparent movement of the Sun, the Moon and the Stars. Invertebrates D. Cambrian 4. Select the correct answer using the code given below: question_answer136) Which one of the following is the correct sequence of the given planets in increasing order of their size (diameter)?' question_answer89) The eclipse of Sun occurs. If we start at the present and go back into the past, the universe is contracting, getting smaller and smaller. Atoms formed molecules, molecules combined to form compounds and so on. Select the correct answer by using the codes given below. Cosmology is the study of the universe. 1. (Hindi) Origin of Universe : UPSC CSE | Unacademy Login 2. If not, have a look at 2-3 reference documents. Moon, question_answer99) Match List-I with List-II and select the correct answer from the codes given below7 the list: List-I List-II A. Assertion [A]: The equatorial regions bulge outwards by about 21 km compared to poles. The mean distance from the Sun to the Earth is called a/an [NDA 2008-II], Which one of the following has geographical position of \[{{0}^{o}}\] latitude and \[{{0}^{o}}\] longitude? In geomorphology, we have taken two reference book –. 2. Ganymede D. Neptune 4. [NDA 2008-II]. Flatness of the poles and bulge at the equator. Mercury B. The sun is vertical over the Tropic of Cancer on. | \[23{{{\scriptstyle{}^{1}/{}_{2}}}^{o}}\] N latitude C. International Date Line 3. (1)The movement of interior plates of earth causes change in surface of earth. question_answer47) Which of the following elements occurs the most abundantly in our universe? [NDA 2012-I], question_answer162) Why do we have a leap year every four years? Which one among the following would result in under that situation? [NDA 2013-I]. | Earth (i) Dwarf planet B. Pluto (ii) Star C. Moon (iii) Blue planet D. Sun (iv) Satellite. | question_answer71) Consider the following statements regarding asteroids: 1. The nearest large galaxy of Milky Way is the Andromeda galaxy. As per some traditions, it is as old as the Vedic religion. The most popular theory that explains the origin of our universe is the Big Bang Theory. question_answer32) Which of the following stars is also known as Pulsar? Solar system. | question_answer81) Which of the following phenomenon is/are the effect the rotation of the earth? Which of the above statements is/are correct? The lines joining the places which were affected Earthquake at the same point of time arc called homoseismal lines. When using the laws of physics, we trace back the path to the origin of the universe; we land ourselves onto a point of high density and high temperature known as a singularity (or sometimes as Big Bang). Eloquence and Skill C. Mars 3. question_answer36) Which one of the following planets is nearest to the earth? Learn about the big bang theory and how our universe … Examine these two statements carefully and select the correct answer by using the codes given below: Match List-I with List-II and select the correct answer using the codes given below the lists: Match List-I with List-II and select the correct answer from the codes given below7 the list: Scientists have determined the temperature near the Earth's centre 1,000?C hotter than was reported in an experiment am 20 years ago. [CDS 2016-II], question_answer141) Match the following W[NDA 2008-I] List-I (Celestial Body) List-II (Roman God) A. Mercury 1.God of the Underworld and Death B. Pluto 2. Select the correct answer using the codes given below, question_answer179) A typical black hole is always specified by [NDA 2014-I], question_answer180) Plate tectonics is a scientific theory that describes the large scale motions of Earth's lithosphere. I have gone through this website and I thing I am on the right track now. 3. question_answer78) The term syzygy is referred to whine. As the Universe continued to cool, it would have eventually reached the temperature where electrons combined with nuclei to form neutral atoms (recombination). question_answer19) The mean radius of the Earth is. Which of the statement(s) given above is/are correct? 2. [NDA 2012-II] Statement I: The planet Neptune appears blue in colour. Consider the following two statements, one labelled as the Assertion and the other as Reason (R). (4) The inner core of the earth is in molten state. 2. Statement II: The presence of methane gas in the atmosphere of Neptune is responsible for its colour. How much of the total surface area of the moon is never visible from the earth, The average distance between the moon and the earth's, The average distance between the sun and earth is. question_answer120) Which one of the following geological periods was frequented by increased volcanic activities? Assertion [A]: Venus is the brightest object in the sky after the Sun. The solar system resides in one of its spiral arms. question_answer103) Match the following List-I (Features) List-II (Dates) A. Vernal equinox 1. question_answer101) Consider the following statements: 1. Upsc material, Trick to remember, study tricks, remembering tricks, tips, studying, crack exams, memory hacks,upsc study material,viva tips, The Sun's nearest know star is a red dwarf star called Proxima Centauri, at a distance of 4.3 light years away. 3. As per this theory, in the beginning, all matter or substance forming this universe existed at one place as a tiny ball. question_answer34) The energy of sun is produced by.

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