Dark matter
dark matter
Variables.
It is called quantifying your goals.
Any two dimentional geometric figure has a measurable length. This measurement is called circumference. This is also called a plane figure. Examples of plane figures with measurable lengths are: triangle, square, circle, and rectangle.
Not necessarily.
this is false... a parameter is a measure of a mean or mode, a measurable characteristic of a sample is called a statistic.
That is called a convection current. It occurs when warmer, less dense fluid rises and displaces cooler, denser fluid, creating a circular flow pattern. This phenomenon is commonly observed in the Earth's atmosphere and oceans, as well as in other natural systems.
It is called the magnitude scale. It is a log scale.
A line segment is the measurable part of a line that consists of two points called endpoints.
Traits
apparent magnatude
If it could be directly observed then it would not be called dark matter!