Author Question: Spiral tracers tend to be old, luminous stars. a. True b. False Indicate whether the statement ... (Read 89 times)

cabate

  • Hero Member
  • *****
  • Posts: 537
Spiral tracers tend to be old, luminous stars.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

You would like to see through the dust in a cloud to find protostars. Which band of the electromagnetic spectrum would you need to look in?
 
  a. infrared b. visual
  c. UV d. X-ray



ebe

  • Sr. Member
  • ****
  • Posts: 320
Answer to Question 1

False

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

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?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

For a complete list of videos, visit our video library