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  The Solar System is our cosmic neighborhood — a vast and fascinating region of space centered around the Sun. It includes eight planets, countless moons, dwarf planets like Pluto, asteroids, comets, and the mysterious Kuiper Belt and Oort Cloud.   At the heart of the system is the Sun, a massive star that provides […]

  Animals are multicellular, eukaryotic organisms comprising the biological kingdom Animalia (/ˌænɪˈmeɪliə/[4]). With few exceptions, animals consume organic material, breathe oxygen, have myocytes and are able to move, can reproduce sexually, and grow from a hollow sphere of cells, the blastula, during embryonic development. Animals form a clade, meaning that they arose from a single […]

The universe is everything we can touch, feel, sense, measure, or detect. It includes all of space and time, and everything that exists within it — stars, planets, galaxies, black holes, dark matter, and even the smallest particles. Our universe began about 13.8 billion years ago with a massive explosion known as the Big Bang. […]