Gravitational waves were detected on 14 September 2015, more than a century after they were first proposed. Astrophysicist Vivien Raymond hopes the historic discovery will help provide answers to some of the biggest questions in science.
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In 2015, scientists proved the existence of gravitational waves. These waves travel billions of light-years through space, eventually reaching Earth and bringing us insights that were previously unattainable.
The Nobel Prize in physics has been awarded to British scientist Roger Penrose, along with German Reinhard Genzel and US physicist Andrea Ghez, for their research into black holes.
Chemical scientists Emmanuelle Charpentier and Jennifer A. Doudna have been awarded the Nobel Prize in chemistry for their research into genome editing and the discovery of CRISPR-Cas9 "genetic scissors."
The ESA is to invest €14.4 billion ($15.8 billion) in space exploration including a moon mission up to 2022. Germany is now the largest contributor to the agency's biggest ever budget.
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