Astronomers have developed a new way of measuring cosmic distances by listening to the frequencies of ‘music’ played by vibrating stars that collectively act as a vast orchestra of different cosmic instruments. The results could help the European Space Agency (ESA) satellite Gaia better measure the positions of about 2 billion stars, as well as their distances from Earth and movements, while building a precise, three-dimensional map of the Milky
How the songs of stars can help perfect Gaia’s sweeping map of our galaxy
Jan 25, 2024
2 minutes
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