A Future News Release Might Report That a New Planet

question 35

Multiple Choice

A future news release might report that a new planet has been found around a star very similar to our Sun. The system contains other planets as well like our solar system. This newly discovered planet is claimed to have a mass 40 times that of Earth and is located nearly 25 AU from the star it orbits. Which of the following would be a reasonable prediction about this planet, assuming it formed like our solar system
I.The planet will probably have a mean density of around 5 g/cm3.
II.The planet will probably have a radius of around five to ten times greater than Earth's.
III.The planet will probably have several satellites.
IV.The planet will probably have a composition that is mostly hydrogen and helium.

• A)I & IV
• B)I, II, & III
• C)II, III, & IV
• D)I, II, & IV
• E)I, II, III, & IV

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