This topic contains a solution. Click here to go to the answer

Author Question: The spectral types for each of five stars are given. Which star in would have the greatest surface ... (Read 60 times)

nummyann

  • Hero Member
  • *****
  • Posts: 576
The spectral types for each of five stars are given. Which star in would have the greatest surface temperature?
 
  a.  For; F8
  b.  Cet; M7
  c. 35 Ari; B3
  d.  Tri; A0
  e.  Per; O7

Question 2

What is the ratio of the light-gathering power of a 5-m telescope to that of a 0.5-m telescope?
 
  a. 10
  b. 0.1
  c. 0.01
  d. 100
  e. 25



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kjo;oj

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

e

Answer to Question 2

d




nummyann

  • Member
  • Posts: 576
Reply 2 on: Jul 27, 2018
Gracias!


adf223

  • Member
  • Posts: 304
Reply 3 on: Yesterday
Wow, this really help

 

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?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

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.

For a complete list of videos, visit our video library