If the universe is expanding, then what does it expand into? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the world ...

Last week the readers of io9 asked their most nagging questions about physics to a real-live physicist. The first question: What is the Universe expanding into? https ...

Further to the previous correspondence (15 January), it is worth noting that if the universe is infinite, it must always have been infinite, including the impossibly dense seed of the big bang. 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 ...

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 ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. What is the universe expanding into if it’s ...

There are a few questions that frequently come up when discussing the big bang and the expansion of the universe. Perhaps the most prominent questions are, "if space is constantly expanding, what is ...

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 ...

One of the most spectacular discoveries of the 20th century was that the Universe itself was expanding. When Einstein put forth his general theory of relativity, he swiftly recognized that there was a ...