2019년 8월 25일 일요일

[Q&A] How earth was weighed?


 
 
 
 
 
 
 
 
 
 

 










Q.
How earth was weighed?


* A:
A lever balance since we knew the mass of Jupiter.

* A:
mass in astronomy

* A:
They dropped it onto a Manx Kitten

* A:
We built a HUGE scale.




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