Every thing in this universe is made up of matter, the tree,ball,rivers,nail,planes,etc., in the space you can observe the comits, definetly it will br of matter the galaxis and all so space is created by particals....
Its not that 'IT IS' created of partivles..... our knowledge just hasnt g r own to still find out the hidden mystery.... the achievements of the human race r just still like a cell developing in womb..... its not even yet a baby. its just pres er ntly wat we know id oarticles...... dontknow wat physics still has 4 mankind!!!