This topic contains a solution. Click here to go to the answer

Author Question: A star is 10 parsecs from Earth. Which statement is true? A) The star's apparent magnitude is ... (Read 58 times)

mwit1967

  • Hero Member
  • *****
  • Posts: 501
A star is 10 parsecs from Earth. Which statement is true?
 
  A) The star's apparent magnitude is larger than its absolute magnitude.
  B) The star is about 33 ly away.
  C) The star's parallax is 1.0 arc seconds.
  D) The star's apparent magnitude is smaller than its absolute magnitude.
  E) The star is in a different galaxy.

Question 2

The twinkling of starlight and the focusing of images by lenses are both due to ________ of light.
 
  A) transmission B) refraction C) aberration D) reflection E) polarization



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leeeep

  • Sr. Member
  • ****
  • Posts: 315
Answer to Question 1

B

Answer to Question 2

B




mwit1967

  • Member
  • Posts: 501
Reply 2 on: Jul 27, 2018
:D TYSM


miss.ashley

  • Member
  • Posts: 371
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

For a complete list of videos, visit our video library