Author Question: Red giant stars are A) close to exhausting their supply of hydrogen. B) have already exhausted ... (Read 14 times)

amal

  • Hero Member
  • *****
  • Posts: 572
Red giant stars are
 
  A) close to exhausting their supply of hydrogen.
  B) have already exhausted their supply of hydrogen.
  C) are close to exhausting their supply of helium.
  D) have already exhausted their supply of helium.

Question 2

On the H-R diagram our Sun is a
 
  A) white dwarf.
  B) star of average luminosity and temperature.
  C) red supergiant.
  D) relatively bright, blue star.



asdfghjkl;

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

Answer: A

Answer to Question 2

Answer: B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

For a complete list of videos, visit our video library