NOTES


IAS Prelims > General Studies > Universe and our Planet Earth

Galaxy



Ans.

A Galaxy is a large constellation of stars in which there is a central bulge and three rotating arms. Every galaxy is composed of about 100 billion stars. Our own galaxy is known as 'Mandakini' which has spiral shape. A group of stars known as 'Milky Way' seen in the night, is a part of our galaxy. Orian Nebula is the brightest and the coldest group of stars of our galaxy.


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Notes of Universe and our Planet Earth



  1. The Universe Big-Bang Theory:
    see in detail

  2. Galaxy
    see in detail

  3. Life Cycle of a Star
    see in detail

  4. Supernova
    see in detail

  5. Neutron Star
    see in detail