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

Author Question: Spectra are often represented as graphs of: A) distance versus luminosity. B) temperature ... (Read 27 times)

chandani

  • Hero Member
  • *****
  • Posts: 541
on: Jul 27, 2018
Spectra are often represented as graphs of:
 
  A) distance versus luminosity.
  B) temperature versus density.
  C) intensity versus wavelength.
  D) brightness versus darkness.

Question 2

In the context of a star's spectrum, which of the following statements is true of a giant star?
 
  A) Hydrogen atoms in its atmosphere do not often collide with each other.
  B) Its atmosphere is very dense.
  C) Its spectrum has very broad spectral lines.
  D) Energy levels are not distorted when atoms in its atmosphere collide.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

mistyjohnson

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


chandani

  • Member
  • Posts: 541
Reply 2 on: Jul 27, 2018
Excellent

miss_1456@hotmail.com

  • Member
  • Posts: 289
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

A Taxonomic classification of hominins versus hominids. A Taxonomic classification of hominins versus hominids.
Homeostasis is analogous to regulation of temperature via a thermostat. Homeostasis is analogous to regulation of temperature via a thermostat.
The distance between the centerline of the main bearing journal and the centerline of the ... The distance between the centerline of the main bearing journal and the centerline of the ...
Chlamydospore or spherule that occurs at body temperature. Chlamydospore or spherule that occurs at body temperature.
A melting profile shows the increase in UV absorption versus temperature A melting profile shows the increase in UV absorption versus temperature
Enzyme activity varies with temperature Enzyme activity varies with temperature
Video: Exocytosis - secretion

For a complete list of videos, visit our video library