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 70 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
YES! Correct, THANKS for helping me on my review

bimper21

  • Member
  • Posts: 309
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Visual Pathway Visual Pathway
Glaucoma. (a) A buildup of pressure within the eye cavities, often caused by a blockage of vessels t Glaucoma. (a) A buildup of pressure within the eye cavities, often caused by a blockage of vessels t
Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough
Visual Object Agnosia Without Prosopagnosia Visual Object Agnosia Without Prosopagnosia
Testing visual fields by confrontation Testing visual fields by confrontation
Happy earth day jk kid drawing Happy earth day jk kid drawing
Video: Inflammatory response Animation

For a complete list of videos, visit our video library