situated on or near outside. situated beyond boundaries of place. external side or surface. Beyond the limits or edges of some place, thing.

make idea or situation clear to someone by describing it in more detail.

All of space that contains planets and stars.

Study of the physical world, based on facts.

Person who is trained in a science.

Used or seen daily; for daily use; ordinary. each day.

Difficult to do. To question the correctness of something.

used for emphasis with following adjective functioning as adverb. Thing that is not yet known or named.

supposition or proposed explanation made on basis of limited evidence as starting point for further investigation.

Being as one would expect; being usual or normal. naturally. person having innate talent.

not same as another or each other.

Grown bigger, older and more mature. To grow bigger, more complex, or more advanced.

To know the meaning of language, what someone says.

statement or account that makes something clear. Details or reasons given to make something clear.