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Author Question: What happens to the rotation of a molecular cloud as it collapses to form a star? A) The rotation ... (Read 74 times)

RRMR

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on: Jul 27, 2018
What happens to the rotation of a molecular cloud as it collapses to form a star?
 
  A) The rotation rate remains the same and results in stellar rotation.
  B) The rotation dissipates and any residual is left in small overall rotation of the star.
  C) The rotation rate increases and results in fast rotation of the star.
  D) The rotation rate increases and results in a flattened disk of material around a protostar.
  E) The rotation increases the speed of collapse and produces more massive stars.

Question 2

Process of Science: Pluto is no longer considered a planet. Explain the new discoveries that led to this change.
 
  What will be an ideal response?


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bfulkerson77

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

D

Answer to Question 2

In recent years, astronomers have found numerous other bodies that orbit beyond the orbit of Neptune. These so-called Kuiper Belt objects share similar properties in being round, icy bodies and one is known to be larger than Pluto. We now recognize that Pluto is just one of a large collection of objects in the Solar System, rather the unique, individual bodies that are the planets.


RRMR

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

ryhom

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Reply 3 on: Yesterday
Wow, this really help

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