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 111 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
Wow, this really help

EAN94

  • Member
  • Posts: 307
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.

Did you know?

Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.

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.

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
Balmer Lines in the Spectrum of a Star Balmer Lines in the Spectrum of a Star
Spectral Line Motion in Binary Star Systems Spectral Line Motion in Binary Star Systems
How to calculate present value using the compound interest formula (Question 1) How to calculate present value using the compound interest formula (Question 1)
calculate ΔG° calculate ΔG°
Calculate ΔS° Calculate ΔS°
Video: Neuron structure and function - sensory neurons, association neurons & motor neurons

For a complete list of videos, visit our video library