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New method may resolve difficulty in measuring universe’s expansion

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New method may resolve difficulty in measuring universe’s expansion

Artist's impression of gravitational waves emitted when superdense neutron stars collide Merger of neutron stars becomes 'cosmic ruler' capable of measuring the expansion of the universe
More at https://www.nsf.gov/discoveries/disc_summ.jsp?cntn_id=298918&WT.mc_id=USNSF_1


This is a Research News item.

Read more at nsf.gov

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