Edmund Halley Archive

How big is the Universe?

Universe is big is a well-known fact. But when it comes to being big, how big? How is it measured? It is big with reference to what? Is universe really infinite? There should always be a reference point which helps infer how big our universe is. If our universe is infinite then why is it termed as big? Scientists have proposed that universe is expanding. The size of universe includes the number of elements existed in that and their sizes. The distances between objects in space are way beyond your imagination. The reference with which the universe is measured is