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Author Question: The average density of the planet Jupiter has been known for hundreds of years, but the densities of ... (Read 243 times)

jman1234

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on: Jul 27, 2018
The average density of the planet Jupiter has been known for hundreds of years, but the densities of its Galilean moons were only determined accurately from data obtained during the Voyager by-pass missions. Why?
 
  What will be an ideal response?

Question 2

In the proton-proton cycle, .007 of the mass ends up as energy, not helium.
 
  Indicate whether the statement is true or false


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nathang24

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Reply #1 on: Jul 27, 2018
Answer to Question 1

The density of an object is its mass divided by its volume. Although the sizes of the Galilean moons have been known approximately for some time, their masses have not. The Voyager missions helped determine these masses and, therefore, their densities.

Answer to Question 2

TRUE


jman1234

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Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

parshano

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Reply 3 on: Yesterday
:D TYSM

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