What is the coldest thing on earth?

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Tags

1. #thousandths
2. #cubic
3. #absolute
4. #above
5. #coldest
6. #degree
7. #cryostat
8. #close
9. #first
10. #meter
11. #researchers
12. #chilled
13. #cooled
14. #substances
15. #inside
16. #kelvin
17. #chunk
18. #built
19. #copper
20. #scientists
21. #container
22. #millikelvins
23. #earth
24. #became