Is Gravity only because of mass?

Consider the statement "there's no gravity in space." this statement is:

Which of the following statements about degeneracy pressure is not true?

A. Degeneracy pressure varies with the temperature of the star

B. Degeneracy pressure can halt gravitational contraction of a star even when no fusion is occurring

C. Degeneracy pressure keeps any protostar less than 0.08 solar mass from becoming a true hydrogen-fusing star

D. Degeneracy pressure supports white dwarfs under gravity

Which of the following properties can be inferred from the star’s orbital period?

A. The planet's orbital radius

B. The planet's mass

C. Both the planet's orbital radius and its mass

D. Neither the planet's orbital radius and its mass