The Density of Water per cubic centimeter

Question one

The density of water is less.

Question two

The earth takes one year to revolve around the sun.

Question three

It is generally hotter in the core of the sun.

Question four

Dark nebula appear dark because they are opaque.

Question five

A small rock in the interplanetary space is called a meteoroid.

Question six

A white dwarf is more accurately described as being a stellar remnant.

Question seven

A star’s luminosity tells us how much energy a star produces.

Question eight

A star’s color tells us its surface temperature.

Question nine

A light year is a unit of distance.

Question ten

A blackhole is an empty region of space with huge gravitational field.