A future news release might report that a new planet has been found around a star very similar to our Sun.This newly discovered planet is claimed to have a mass 40 times that of the Earth and is located nearly 25 AU from the star it orbits.Which of the following would be a reasonable prediction about this planet?
A)The planet will probably have about the same radius as the Earth
B)The planet will probably have a mean density of around 5 g/cm³.
C)The planet will probably have a composition that is mostly hydrogen and helium.
D)The planet will probably have liquid water oceans.

Question

Quizplus · Accepted Answer

A planet with a mass 40 times that of Earth and located 25 AU from its star is likely to be a gas giant, similar to Jupiter or Saturn, which are primarily composed of hydrogen and helium.

A Future News Release Might Report That a New Planet