Author Question: A star (no matter what its mass) spends most of its life A) as a main-sequence star. B) as a ... (Read 105 times)

clippers!

  • Hero Member
  • *****
  • Posts: 828
A star (no matter what its mass) spends most of its life
 
  A) as a main-sequence star.
  B) as a T-Tauri variable star.
  C) as a planetary nebula.
  D) as a protostar.
  E) as a red giant or supergiant.

Question 2

When observing a quasar, we are probably looking at a stage of evolution in the very early universe.
 
  Indicate whether the statement is true or false



tsternbergh47

  • Sr. Member
  • ****
  • Posts: 311
Answer to Question 1

A

Answer to Question 2

TRUE



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

The average human gut is home to perhaps 500 to 1,000 different species of bacteria.

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Did you know?

A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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.

For a complete list of videos, visit our video library