Astronomers witnessed a merger of two neutron stars that created a heavy element - strontium which has been detected for the first time in space. On Earth, strontium is present naturally in the soil and its salts are used to make fireworks.
NEWS SOURCE :- https://in.mashable.com/science/7917/astronomers-found-heavy-elements-in-the-aftermath-of-a-neutron-star-collision
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