Harlow Shapley (1920s): Size from globular clusters
Halo is metal poor and > 10 billion years old
Read next
🌌 SpacePicture of a Day: Messier 2 🪐iotman · The Underground Tunnels of Tartaria – The Structure That Connected the Entire Old World...Where is Tartaria’s gold? Why won’t anyone talk about it?...Scott Mckay & Gene Decode Updates ✝️ GALACTIC FEDERATION? BOMBSHELL Claimssadcorp · 
The Magnificent Structure of Mactan World Museum in Lapu-Lapu City, Cebu, Philippines. jovan1978 · a chronology of our world – from the Big Bang to the resurrection of everyone who has ever livedsmi ·
From @shivrajvlog