Peter G.

asked • 10/07/21

Life in the universe.

Determine the densities of the following exoplanets and classify them.

Epsilon 3

Mass: 15.01 ME

Radius: 4.36 RE

Density: ................. g/cm3

Classification: rocky/Terrestrial or gas giant or ice giant.


Chi Draconis A

Mass: 0.5 ME

Radius: 0.97 RE

Density: ................. g/cm3

Classification: rocky/Terrestrial or gas giant or ice giant.


Z'ha'dum

Mass: 80.2 ME

Radius: 9.6 RE

Density: ................. g/cm3

Classification: rocky/Terrestrial or gas giant or ice giant.


Proxima

Mass: 10.01 ME

Radius: 3.81 RE

Density: ................. g/cm3

Classification: rocky/Terrestrial or gas giant or ice giant.

1 Expert Answer

By:

Heidi T. answered • 10/08/21

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5 (32)

Experienced tutor/teacher/scientist

Heidi T.

You can also find the density of the planet relative to the density of earth... if the radius of the planet is r = C* RE, where C is the scale factor, then V = C^3 * VE; then the mass is m = A * ME, and the density = (A/C^3)(ME/VE) = (A/C^3)*[density of earth]
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10/08/21

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