The universe's expansion is similar to a balloon inflating; the surface expands, causing dots (galaxies) to move apart. Galaxies farther away from us appear to recede faster than closer ones. The ...
When you bake a loaf of bread or a batch of muffins, you put the dough into a pan. As the dough bakes in the oven, it expands into the baking pan. Any chocolate chips or blueberries in the muffin ...
Morning Overview on MSN
Where is the universe’s center it’s everywhere and nowhere
The search for the universe’s center starts with a simple intuition: if everything exploded outward in the Big Bang, there must be a point it all came from. Modern cosmology turns that intuition ...
Scientists have many big questions to tackle about the universe, including how big it actually is. But even the proposed answers aren't straightforward.
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