When dark matter was first discovered, some astronomers thought ...

[09madisonrousseau09]

When dark matter was first discovered, some astronomers thought that o was greater than one from the extra gravity, favoring what type of universe?
 
  What will be an ideal response?

Question 2

Studying the magnetospheres of the jovian planets has allowed us to measure their
 
  A) orbital periods.
  B) interior rotation rates.
  C) ring system diameters.
  D) gravity.
  E) orbital radius.

[emsimon14]

Answer to Question 1

This would have favored a closed or spherical universe that would eventually collapse back on itself.

Answer to Question 2

B

[09madisonrousseau09]

Great answer, keep it coming

[xiaomengxian]

Thanks for the timely response, appreciate it