Astronomy - Exploring the Universe (English)

🌑 Knowledge card index - Dark matter and dark energy 🌑 🌑 Dark matter ⚡ Dark energy ❓ Why “dark”? 🔭 Discovery of dark matter 🌌 Influence of dark energy ⚖️ Matter vs. energy 🌠 Meaning of dark matter 📍 Occurrence of dark matter 🧪 Experiments on this 📈 Expansion of the universe

⚖️ Knowledge card index - Mass, forces and gravity ⚖️ ⚖️ Mass 💪 Force 🌍 Gravitation 🔗 Mass and gravity 📜 Law of gravity ⚖️ Mass vs. weight 📏 Measuring weight ⬇️ Why things fall 🪐 Gravity on planets ☀️ Gravity in the solar system

🌌 Knowledge card index - Galaxies: The Milky Way and others 🌌 🌌 What are galaxies? 🌍 The Milky Way ⭐ Stars in the Milky Way 🌀 Types of galaxies 🌠 Andromeda galaxy 🏙️ Galaxy clusters 🌟 Formation of galaxies 🕳️ Black hole in the Milky Way ✨ Stars vs. galaxies 🔭 Research on galaxies

🌍 Knowledge card index - What are exoplanets? 🌍 🌍 What are exoplanets? 🔭 Discovery of exoplanets 🪐 Types of exoplanets ☁️ Atmospheres of exoplanets 📜 First discovery ✨ Known exoplanets 🌌 Habitable exoplanets 🚀 Research technologies 🧪 Significance of exoplanets 🌠 The future of research