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

Author Question: An eclipsing binary will a. be more luminous than a visual binary. b. also be observed as a ... (Read 42 times)

schs14

  • Hero Member
  • *****
  • Posts: 569
on: Jul 27, 2018
An eclipsing binary will
 
  a. be more luminous than a visual binary.
  b. also be observed as a spectroscopic binary.
  c. give off most of its light in the infrared.
  d. show a constant Doppler shift in its spectral lines.
  e. show two stars with variable proper motion.

Question 2

The pupil of the human eye is approximately 0.8 cm in diameter when adapted to the dark. The ratio of the light-gathering power of a 1.6-m telescope to that of the human eye is ____.
 
  a. 2
  b. 4
  c. 20
  d. 400
  e. 40,000


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leahm14

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 27, 2018
Answer to Question 1

b

Answer to Question 2

e


schs14

  • Member
  • Posts: 569
Reply 2 on: Jul 27, 2018
:D TYSM

chjcharjto14

  • Member
  • Posts: 342
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

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?

Most women experience menopause in their 50s. However, in 1994, an Italian woman gave birth to a baby boy when she was 61 years old.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Visual Acuity Testing: Assist the patient in occluding the eye. Visual Acuity Testing: Assist the patient in occluding the eye.
Spectral Line Motion in Binary Star Systems Spectral Line Motion in Binary Star Systems
Blobs and Stripes in Visual Cortex Blobs and Stripes in Visual Cortex
The Location of Visual Area V5 The Location of Visual Area V5
The Major Divisions of the Visual Cortex of the Rhesus Monkey The Major Divisions of the Visual Cortex of the Rhesus Monkey
The areas in which reading-associated increases in activity were observed in the fMRI study of ... The areas in which reading-associated increases in activity were observed in the fMRI study of ...
Video: Steps of glucose catabolism

For a complete list of videos, visit our video library