What is space made up of?

ţ̸̩̼̰͚̲̞͂̍̋̈́̀̍ͅh̷̨̺̺͓͖̜̲͛̓͊͋̎̏͋̔̚ę̴̳̹̲̖͎̳̜̠̝̺́́́̅̒ ̴̛̛̙͖͕̓̒̓͗̄̀͗̄̍͘͝d̶̢̩͔͔̠̳̟̲̝̩̹̥̎̉̄̉̿͂̌͆͂͒̒̕̚a̷̦͙͕̜͉͖̱̬͖͍͈͙̔ͅr̵̮̍̿͗̄̄̂̉̂͝k̷̢̢͎̗̩̭̩̫͎̬̓̾́̎͝ ̶̖̬̟̰̼̰͒͆̌̂͆͂̑v̶̻̲̪̤̈͐̆̀͜õ̶̡̨̼̩̩̬̲̘̘̮̺̦̓̓̚͠͠ͅͅͅī̷̖̯͔̩͎͓͙̓̀̀̎̓͆̑́̂̕͝d̸̞͔̟̗̠̀͐̈̑͆͊̅̓̓̈́́̈́̕͘͝