[OC] The cost of launching things into space (per kilogram) to lower earth orbit (altitude < 1200 miles) was almost stagnant for 40 years before SpaceX entered the space (pun intended) and disrupted it. Source in comments.
from /r/dataisbeautiful
[OC]在SpaceX進入太空（雙關語）並擾亂它之前，將東西發射到太空（每公斤）到低地球軌道（高度<1200英里）的成本幾乎停滯了40年。評論中的來源。