Which of the following observations confirms that Sgr A at the ...

[809779]

Which of the following observations confirms that Sgr A at the center of our galaxy is indeed a supermassive black hole?
 
  A) measurements of radio emission from gas around Sgr A
  B) measurements of occasional X-ray emission from Sgr A
  C) measurements of the orbits of stars around Sgr A
  D) measurements of trans-dimensional space warps in the vicinity of Sgr A

Question 2

The discovery of Charon allowed astronomers to determine Pluto's mass.
 
  Indicate whether the statement is true or false

[lolol]

Answer to Question 1

C

Answer to Question 2

TRUE

[809779]

Great answer, keep it coming

[kusterl]

Thanks for the timely response, appreciate it