Star Walk 2 — Best Astronomy App 💫 on Instagram: "🌌 Gaia Shows Us the Stars in Motion — 2 Million and Counting!⁠ ⁠ This video from ESA’s Gaia mission follows over 2 million stars into the future 5 million years using data from the Tycho-Gaia Astrometric Solution (TGAS). ❄️⁠ ⁠ 📍 What happens in the video:⁠ ✨ Stars slowly drifting across space — too small to notice day-to-day, but clear over millennia.⁠ ✨ Each star’s dot size shows how bright it appears — brighter stars = bigger dots.⁠ ✨ Over t