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

Author Question: Compared with the spectral lines in the solar spectrum, lines in a supergiant spectrum are a. ... (Read 136 times)

colton

  • Hero Member
  • *****
  • Posts: 627
on: Jul 27, 2018
Compared with the spectral lines in the solar spectrum, lines in a supergiant spectrum are
 
  a. sharper.
  b. broader.
  c. weaker.
  d. stronger.
  e. broader and weaker.

Question 2

Infrared space telescopes must have their mirror cooled to very low temperatures because otherwise it would thermally emit too much _______ itself.
 
  a. infrared radiation
  b. radio waves
  c. X-rays
  d. gamma rays
  e. all of the above


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jmfn03

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

a


colton

  • Member
  • Posts: 627
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it

ebonylittles

  • Member
  • Posts: 318
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

More than 4.4billion prescriptions were dispensed within the United States in 2016.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Alternative forms of surgeries involving the uterus, ovaries, and fallopian tubes. The solid lines i Alternative forms of surgeries involving the uterus, ovaries, and fallopian tubes. The solid lines i
Solar Spectra Solar Spectra
Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The Major trunk lines carrying long-distance traffic crisscrossed the area east of the Mississippi. The
How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives How Orbital Eccentricity Changes the Amount of Solar Radiation Earth Receives
Solar Angle Solar Angle
How Many Triangles Can You Make Using the Letter M and 3 Straight Lines? How Many Triangles Can You Make Using the Letter M and 3 Straight Lines?
Video: Mitosis step-by-step

For a complete list of videos, visit our video library