Author Question: As the Sun evolves into a red giant in the distant future, then according to Wien's Law: A) most ... (Read 18 times)

jeatrice

  • Hero Member
  • *****
  • Posts: 543
As the Sun evolves into a red giant in the distant future, then according to Wien's Law:
 
  A) most of its energy must become shorter in wavelength.
  B) its peak on the Planck curve will move into the infrared.
  C) its total luminosity must decrease.
  D) it will disappear from the universe of visible light.
  E) its light will be slowed down by its increasing mass.

Question 2

What is spectroscopy?
 
  A) An analysis of the way in which atoms absorb and emit light
  B) A study of the geometry of rainbows
  C) An observational technique to measure the brightness of light at different colors
  D) The use of CCDs to capture light more efficiently than with photographic film
  E) A method to freeze atmospheric turbulence for better resolution



sabina576

  • Sr. Member
  • ****
  • Posts: 356
Answer to Question 1

B

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

It is believed that humans initially contracted crabs from gorillas about 3 million years ago from either sleeping in gorilla nests or eating the apes.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

For a complete list of videos, visit our video library