RRB NTPC/ASM/CA/TA Exam  >  RRB NTPC/ASM/CA/TA Videos  >  Crash Course for RRB NTPC/ASM/CA/TA  >  Origin Of Universe: Big Bang Theory

Origin Of Universe: Big Bang Theory Video Lecture | Crash Course for RRB NTPC/ASM/CA/TA

802 videos

FAQs on Origin Of Universe: Big Bang Theory Video Lecture - Crash Course for RRB NTPC/ASM/CA/TA

1. What is the Big Bang Theory?
Ans. The Big Bang Theory is the most widely accepted scientific explanation for the origin of the universe. It posits that the universe began as an extremely hot and dense singularity approximately 13.8 billion years ago and has been expanding ever since. This expansion led to the formation of galaxies, stars, and other celestial bodies.
2. What evidence supports the Big Bang Theory?
Ans. Several key pieces of evidence support the Big Bang Theory, including the cosmic microwave background radiation, which is the afterglow of the initial explosion, and the observed redshift of galaxies, indicating that they are moving away from us. Additionally, the abundance of light elements like hydrogen and helium aligns with predictions made by the theory.
3. How does the Big Bang Theory explain the formation of galaxies?
Ans. According to the Big Bang Theory, as the universe expanded and cooled, matter began to clump together due to gravitational attraction. Over billions of years, these clumps formed stars and galaxies. The uneven distribution of matter during the early universe led to the formation of large structures we observe today.
4. What are some misconceptions about the Big Bang Theory?
Ans. A common misconception is that the Big Bang was an explosion in space; rather, it was an expansion of space itself. Another misconception is that the theory explains the origin of matter, whereas it primarily describes the evolution of the universe from an initial state. The actual 'beginning' of time and space remains a complex topic.
5. How does the Big Bang Theory relate to the future of the universe?
Ans. The Big Bang Theory provides a framework for understanding the universe's past and its potential future. Current observations suggest that the universe's expansion is accelerating, leading to theories such as the Big Freeze, where galaxies drift apart and stars eventually burn out. Other theories include the Big Crunch or Big Rip, depending on the universe's density and energy content.

Up next

Explore Courses for RRB NTPC/ASM/CA/TA exam
Related Searches

Origin Of Universe: Big Bang Theory Video Lecture | Crash Course for RRB NTPC/ASM/CA/TA

,

pdf

,

past year papers

,

Important questions

,

video lectures

,

shortcuts and tricks

,

Extra Questions

,

Previous Year Questions with Solutions

,

Free

,

Semester Notes

,

Sample Paper

,

Viva Questions

,

study material

,

Exam

,

Objective type Questions

,

Origin Of Universe: Big Bang Theory Video Lecture | Crash Course for RRB NTPC/ASM/CA/TA

,

ppt

,

practice quizzes

,

mock tests for examination

,

Origin Of Universe: Big Bang Theory Video Lecture | Crash Course for RRB NTPC/ASM/CA/TA

,

MCQs

,

Summary

;