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1 day ago · The universe is all of space and time [a] and their contents. [10] It comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of energy and matter, and the structures they form, from sub-atomic particles to entire galactic filaments.
5 days ago · Learn about the universe, the whole cosmic system of matter and energy, from its origin in the big bang to its current state of expansion and evolution. Explore the observable universe, the solar system, the galaxies, and the possible multiverse with Britannica.
- Frank H. Shu
1 day ago · Find out what's happening in the cosmos with daily updates on space exploration, discoveries and events. Read about the latest missions, launches, discoveries and mysteries of the universe.
Jun 13, 2024 · Learn about the universe, galaxies, planets, stars and more with NASA Space Place. Explore the Big Bang, black holes, gravity and other phenomena with fun games, crafts and activities.
4 days ago · The solar system is part of the "observable universe," the region of space that humans can actually or theoretically observe with the aid of technology. Unlike the observable universe, the universe is possibly infinite.
Jun 13, 2024 · The big bang is how astronomers explain the way the universe began. It is the idea that the universe began as just a single point, then expanded and stretched to grow as large as it is right now—and it is still stretching!
Jun 16, 2024 · The universe is undeniably vast, and from our perspective, it may seem like Earth is in the middle of everything. But is there a center of the cosmos, and if so, where is it?
