Author Question: Spiral tracers tend to be old, luminous stars. a. True b. False Indicate whether the statement ... (Read 66 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?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

The horizontal fraction bar was introduced by the Arabs.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

For a complete list of videos, visit our video library