Our Sun is represented by letter _______ and is considered _________.

 

Stars in a region of A are ________ and are near the _______ of their lifespans.

 

 

 

Place each statement in the correct bin corresponding to whether it represents 1 astronomical unit (1 AU), 1 light-year, or neither of those.

Please see the attached image.

The Hernquist density profile is convenient to represent the dark matter halo (See image attached).

a) calculate the cumulative mass M(r)

b) calculate the rotation curve v(r) and make a graph

From the viewpoint of an alien astronomer, how does jupiter affect observations of our sun?