Balance of Nature, or Ecological Balance, the balanced relationship of the plants, animals, and other living organisms that make up a natural community. This equilibrium is maintained by the interaction of the various organisms in a specific area, and by their interaction with nonliving environmental factors. (See Ecology.)
While routinely scanning the stars, NASA scientists came across something they didn't expect to see: a vast area of space empty of stars, planets and matter.
The big bang theory is well-known, but there are many misconceptions about it. Like what? Let's start with this one: There was no bang.