For the 1st time, a freshly made heavy element, strontium, has been detected in space, in the aftermath of a merger of two neutron stars. This confirms that the heavier elements in the Universe can form in neutron star mergers, providing a missing piece of the puzzle of chemical element formation.

For the 1st time, a freshly made heavy element, strontium, has been detected in space, in the aftermath of a

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