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

Author Question: Doppler-shift observations of a spectroscopic binary star can enable astronomers to calculate ... (Read 108 times)

joe

  • Hero Member
  • *****
  • Posts: 627
on: Jul 27, 2018
Doppler-shift observations of a spectroscopic binary star can enable astronomers to calculate ________ of its individual stars.
 
  a. the minimum masses
  b. the sizes
  c. both minimum masses and sizes
  d. neither minimum masses nor sizes

Question 2

Compared to a smaller-objective lens, a larger-objective lens makes a star's image
 
  a. brighter.
  b. dimmer.
  c. no effect.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

akemokai

  • Sr. Member
  • ****
  • Posts: 347
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

a


joe

  • Member
  • Posts: 627
Reply 2 on: Jul 27, 2018
:D TYSM

kalskdjl1212

  • Member
  • Posts: 353
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

The asymmetrical appearance of Mira, an oscillating variable star. The asymmetrical appearance of Mira, an oscillating variable star.
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
The Doppler Shift The Doppler Shift
How to calculate annuity when compounded semi-annually (Part 1) How to calculate annuity when compounded semi-annually (Part 1)
Calculate the given limits eliminating zero denominator algebraicilly Calculate the given limits eliminating zero denominator algebraicilly
Sea Star Body Plan Sea Star Body Plan
Video: Secondary and tertiary levels of protein structure Animation

For a complete list of videos, visit our video library