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

Author Question: The total mass of a binary system can be calculated from a. the ratio of the angular separation ... (Read 54 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
on: Jul 27, 2018
The total mass of a binary system can be calculated from
 
  a. the ratio of the angular separation from the center of mass of each of the stars.
  b. the distance to the binary and its radial velocity.
  c. the semimajor axis and period of the orbit.
  d. the radial velocities of the two stars.
  e. the time required for the smaller star to eclipse the larger star.

Question 2

The primary mirrors of most radio telescopes is similar to the primary mirror of a reflecting optical telescope in that
 
  a. they are both concave in shape.
  b. they are both convex in shape.
  c. they are typically the same size.
  d. they are both made of metal.
  e. they have nothing in common.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Moriaki

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Jul 27, 2018
Answer to Question 1

c

Answer to Question 2

a


Yolanda

  • Hero Member
  • *****
  • Posts: 757
Reply #2 on: Jul 27, 2018
Thank you!


Moriaki

  • Sr. Member
  • ****
  • Posts: 341
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

Did you know?

Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
Spectral Line Motion in Binary Star Systems Spectral Line Motion in Binary Star Systems
The Global Climate System Is Very Complex The Global Climate System Is Very Complex
Color monitor for a computer system. Color monitor for a computer system.
The human digestive system The human digestive system
Finding the length given total distance and distance longer than other point Finding the length given total distance and distance longer than other point
Video: Dissociative Disorders (Part 3)

For a complete list of videos, visit our video library