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To sort out the development of the Milky Way through big data astronomy

To sort out the development of the Milky Way through big data astronomy

Sorting out the evolution of our home galaxy, the Milky Way, is a challenge similar to mapping the human genome, according to the European Space Agency (ESA). ESA’s galaxy charter, Gaia, takes trillions of measurements of 2 billion of the brightest stars in the sky. Here we look at what it takes to remove these …

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NASA telescope to help sort out galaxy growth, makeup of dark matter

NASA telescope to help sort out galaxy growth, makeup of dark matter

image: This image series shows how astronomers find stellar currents by reversing light and darkness, similar to negative images. Color images of each of the nearby galaxies displayed are included for context. Galaxies are surrounded by huge halos of hot gas sprinkled with sporadic stars, seen as the shady areas that surround each galaxy here. …

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