মহাবিশ্ব শব্দটির অর্থ কী ?
The Universe is often defined as "the totality of existence", or everything that exists, everything that has existed, and everything that will exist. In fact, some philosophers and scientists support the inclusion of ideas and abstract concepts – such as mathematics and logic – in the definition of the Universe. The word "universe" may also refer to concepts such as "the cosmos", "the world", and "nature".
the totality of existence