Imagine you are an astronomer who recently discovered a new planet orbiting a distant star.

which set of characteristics would you use to classify this planet as an inner or terrestrial planet? check all that apply.

dense and solid
very large
thick atmosphere containing hydrogen and helium
lacking a solid surface
located near a star

your answer is

dense and solid and located near a star.

Explanation:

If a planet is terrestrial it is dense and solid and most probably located near a star

Terrestrial planets are those that have a solid surface like the earth does. The solid surface is made of rock which makes these planets quite dense.

These planets are also usually located near a star because the higher temperatures meant that only materials with really high boiling points were able to come together instead of becoming gas that would escape from the vicinity of the star.

These materials formed rocky planets that were dense and solid and were therefore solid. Examples include Venus, Mercury and Earth.

More information on terrestrial planets can be found at link.