#DidYouKnow that this map of the sky is based on measurements of nearly 1.7 billion stars? It was created from the richest stellar catalogue to date, compiled by @ESAGaia & released last Wednesday #GaiaDR2 💫💫💫
Full story ➡️ https://t.co/3OSx199zrshttps://t.co/VAyMJG6bB7— ESA Science (@esascience) April 29, 2018
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