https://www.quora.com/If-I-had-1-000-000-000-000-000-squared-hamsters-floating-in-space-in-close-proximity-would-gravity-turn-them-into-a-hamster-planet?ch=1&share=465dbd0e&srid=WVe0q&fbclid=IwAR3and3d2vG6hNqdgTfSsYousMBWhd6ZPhTP6C9mQO9VowERiZ_lidIn0M0