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There are 6 lessons in this physics tutorial covering Expansion of the Universe. The tutorial starts with an introduction to Expansion of the Universe and is then followed with a list of the separate lessons, the tutorial is designed to be read in order but you can skip to a specific lesson or return to recover a specific physics lesson as required to build your physics knowledge of Expansion of the Universe. you can access all the lessons from this tutorial below.
In this Physics tutorial, you will learn:
In tutorial 22.6, we explained that in the Universe there are billions of galaxies made of billions of stars each. Despite being incredibly big, galaxies themselves are like sand particles at the beach when compared to the dimensions of the Universe.
The questions that naturally arise when considering such a large structure are: "Does the Universe evolve, change or will it always remain in its current state? If the Universe changes, how it was born? Is it infinite? If finite, what lies beyond it?"
The branch of Physics that studies the Universe in such a macroscopic level that galaxies are considered as small particles is called "Cosmology." It considers the Universe as homogenous and isotropic, i.e. its properties do not depend on the directions chosen. The main modern contributors in this branch are Hubble andEinstein but it is also worth discussing the viewpoint of Newton (as a pioneer and promoter of Cosmology). Hence, this tutorial covering the expansion of the universe includes the work of all these famous scientists.
Please select a specific "Expansion of the Universe" lesson from the table below, review the video tutorial, print the revision notes or use the practice question to improve your knowledge of this physics topic.
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