This topic contains a solution. Click here to go to the answer

Author Question: Which of the following statements is true of T Tauri stars? A) They are often surrounded by thick ... (Read 59 times)

eruditmonkey@yahoo.com

  • Hero Member
  • *****
  • Posts: 546
Which of the following statements is true of T Tauri stars?
 
  A) They are often surrounded by thick disks of gas and dust.
  B) They have completely inactive chromospheres.
  C) They have very weak magnetic dynamos.
  D) They are post-main-sequence stars.

Question 2

In stellar astronomy, _____ states that the weight on each layer of a star is balanced by the pressure in that layer.
 
  A) the law of conservation of mass
  B) the law of conservation of energy
  C) the law of hydrostatic equilibrium
  D) the law of energy transport



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kilada

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

A

Answer to Question 2

C




eruditmonkey@yahoo.com

  • Member
  • Posts: 546
Reply 2 on: Jul 27, 2018
Gracias!


debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Excellent

 

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

The human body produces and destroys 15 million blood cells every second.

For a complete list of videos, visit our video library