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

Author Question: Alpha Centauri A and B have an average orbital separation of about 23 AU and a period of about 80 ... (Read 38 times)

stephzh

  • Hero Member
  • *****
  • Posts: 556
on: Jul 27, 2018
Alpha Centauri A and B have an average orbital separation of about 23 AU and a period of about 80 years. Approximately what is the sum of their masses? If we presume that Alpha Centauri A is a star like our Sun, what is Alpha Centauri B's mass?
 
  What will be an ideal response?

Question 2

A solar eclipse can only happen during a ________ Moon.
 
  Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sabina576

  • Sr. Member
  • ****
  • Posts: 356
Reply #1 on: Jul 27, 2018
Answer to Question 1

M = a3 / P2 = 233 / 802 = 12167/6400 = 1.9 solar masses, with B being about 0.9 solar masses.

Answer to Question 2

new


stephzh

  • Member
  • Posts: 556
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

lcapri7

  • Member
  • Posts: 350
Reply 3 on: Yesterday
Gracias!

« previous next »
 

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?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

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

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

Alpha Helix Alpha Helix
A mound of buffalo skulls. In 1870 an estimated 30 million buffalo roamed the plains; by 1900 there A mound of buffalo skulls. In 1870 an estimated 30 million buffalo roamed the plains; by 1900 there
The relative penetrating power of alpha, beta, and gamma radiation. Gamma and neutron radiation are ... The relative penetrating power of alpha, beta, and gamma radiation. Gamma and neutron radiation are ...
Carboniferous Period Carboniferous Period
Average Years of Schooling versus GDP per Capita Average Years of Schooling versus GDP per Capita
Embryonic Period - 8th week Embryonic Period - 8th week
Video: Introduction to Autism

For a complete list of videos, visit our video library