Author Question: A star (no matter what its mass) spends most of its life A) as a main-sequence star. B) as a ... (Read 123 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?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

For a complete list of videos, visit our video library