This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following observations confirms that Sgr A at the center of our galaxy is indeed a ... (Read 30 times)

809779

  • Hero Member
  • *****
  • Posts: 579
on: Jul 27, 2018
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


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

lolol

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


809779

  • Member
  • Posts: 579
Reply 2 on: Jul 27, 2018
:D TYSM

Dominic

  • Member
  • Posts: 328
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Global view of Mars as seen by the Viking 1 orbiter in 1980, showing the Valles Marineris (center) Global view of Mars as seen by the Viking 1 orbiter in 1980, showing the Valles Marineris (center)
Off-Center Disk Off-Center Disk
The proportion of men and women with elevated blood pressure or taking hypertension medication incre The proportion of men and women with elevated blood pressure or taking hypertension medication incre
A close-up showing the recessed center electrode on a spark tester. It is recessed 3/8 inch into ... A close-up showing the recessed center electrode on a spark tester. It is recessed 3/8 inch into ...
The receptive fields of an on-center cell and an off-center cell. The receptive fields of an on-center cell and an off-center cell.
The responses of an on-center cell to contrast. The responses of an on-center cell to contrast.
Video: Summary of female reproductive cycle days 1-28

For a complete list of videos, visit our video library