The European Space Agency (ESA) recently published a video featuring data from their Gaia mission. Gaia is an effort to make a 3D map of the Milky Way. This entails figuring out where all the billion stars in our galaxy are, how they’re moving, and how fast.
It’s a big job.In the video, we see data for 2,081,370 stars moving over a simulated period of 5,000,000 years starting in roughly 2014. Each frame in the video simulates 750 years of movement. As…
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