Assertion: deuterium | /r/HasProperty | created in the big bang
Facets:
Source sentences:
text: Knowing how much deuterium was created in the Big Bang and how much still exists today allows scientists to estimate how much gas has been used to create stars.
text: Deuterium, which contains one proton and one neutron, was created a few minutes after the Big Bang.
text: Understanding how much deuterium was created in the Big Bang and how much has been destroyed over time, are two of the Holy Grails of modern astrophysics.