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

Author Question: Which of the following happens when a star runs out of hydrogen at its center? A) The core of the ... (Read 69 times)

maegan_martin

  • Hero Member
  • *****
  • Posts: 532
Which of the following happens when a star runs out of hydrogen at its center?
 
  A) The core of the star expands.
  B) The outer layers of the star heat up.
  C) The star moves toward the lower left in the Hertzsprung-Russell diagram.
  D) The stellar core becomes almost pure helium

Question 2

Simple physics predicts that neutron stars should:
 
  A) spin very slowly.
  B) be very cool.
  C) have a radius of more than 100 km.
  D) have strong magnetic fields.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sarah_brady415

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

D

Answer to Question 2

D




maegan_martin

  • Member
  • Posts: 532
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

For a complete list of videos, visit our video library