# Physic

posted by
**Luis** on
.

How can we describe some object in astronomy?

Can we either prove or disprove a hypothesis? If not, what can we do?

How have theories developed over time?

posted by
**Luis** on
.

How can we describe some object in astronomy?

Can we either prove or disprove a hypothesis? If not, what can we do?

How have theories developed over time?