Author Question: Why are molecular lines usually found in infrared and radio regions, not as visible lines? What ... (Read 54 times)

Medesa

  • Hero Member
  • *****
  • Posts: 507
Why are molecular lines usually found in infrared and radio regions, not as visible lines?
 
  What will be an ideal response?

Question 2

The smallest dwarf irregular galaxies are no richer in stars than the largest known globular clusters.
 
  Indicate whether the statement is true or false



lgoldst9

  • Sr. Member
  • ****
  • Posts: 372
Answer to Question 1

Molecules are easily broken up at high temperatures, so few can exist in even the coolest stars. At lower temperatures, there is still enough energy to raise molecules into excited rotational and vibrational states so they emit in the infrared and radio.

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

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?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

For a complete list of videos, visit our video library