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Author Question: Most of the matter in the universe is dark matter. Indicate whether the statement is true or ... (Read 136 times)

penza

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on: Jul 27, 2018
Most of the matter in the universe is dark matter.
 
  Indicate whether the statement is true or false

Question 2

What are dwarf planets?
 
  What will be an ideal response?


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dyrone

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

TRUE

Answer to Question 2

Dwarf planets are objects in the solar system that are in orbit around the Sun and are massive enough that their own gravity makes them spherical, but no so massive that they have cleared out all other objects in their orbit. So, for example, moons in orbit around a planet such as Triton around Neptune do not qualify, irregularly shaped asteroids and small comets do not qualify, but Pluto and Eris do fit this new designation.


penza

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Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

LVPMS

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Reply 3 on: Yesterday
Excellent

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