Pluto's density is 1.8 g/cm3 . Iron is about 5 g/cm3 . Rock is about is 3 g/cm3 . Ice or water is 1.0 g/cm3 . . This implies that

a. Pluto has a large iron-nickel core.
b. Pluto is about 50% water and 50% rocky material.
c. Pluto is all rock.
d. Pluto is all water or water ice.


B

Physics & Space Science

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Temperature Scales: At what, if any, temperature are the numerical readings on the Fahrenheit and Celsius scales the same?

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Physics & Space Science

A white dwarf is

A) what most stars become when they die. B) a precursor to a black hole. C) an early stage of a neutron star. D) a brown dwarf that has exhausted its fuel for nuclear fusion.

Physics & Space Science