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

Author Question: Polaris is 132 pc from Earth and has an absolute visual magnitude of 3.1 . What is the apparent ... (Read 61 times)

clippers!

  • Hero Member
  • *****
  • Posts: 828
on: Jul 27, 2018
Polaris is 132 pc from Earth and has an absolute visual magnitude of 3.1 . What is the apparent visual magnitude of this star?
 
  a. 0.74 b. 1.18
  c. 0.5 d. 2.5

Question 2

Similar to our Sun, pulsars' rotations are believed to slow down because
 
  a. they are losing angular momentum into space via outward streaming particles.
  b. they are dragging companion stars around in their magnetic field.
  c. they are getting tired.
  d. of conservation of angular momentum.
  e. their mass is increasing.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Sophiapenny

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

a


clippers!

  • Member
  • Posts: 828
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

flexer1n1

  • Member
  • Posts: 373
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Apparent and True Orbits of Alpha Centauri. Apparent and True Orbits of Alpha Centauri.
Hints of Earth’s Early Appearance Hints of Earth’s Early Appearance
A visual inspection on this battery showed that the electrolyte level was below the plates in all ... A visual inspection on this battery showed that the electrolyte level was below the plates in all ...
Earth’s Revolution and Rotation Earth’s Revolution and Rotation
Long-wave energy flux is emitted from Earth Long-wave energy flux is emitted from Earth
The Arctic is warming faster than any other region on Earth The Arctic is warming faster than any other region on Earth
Video: Interview with Person who has Schizophrenia

For a complete list of videos, visit our video library