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

Author Question: What would the geometry of a universe at the critical density be? What will be an ideal ... (Read 19 times)

futuristic

  • Hero Member
  • *****
  • Posts: 638
What would the geometry of a universe at the critical density be?
 
  What will be an ideal response?

Question 2

Why aren't there young stars in the halo?
 
  What will be an ideal response?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

momo1250

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

This would be a flat universe and follow Euclid's geometry.

Answer to Question 2

The halo contains virtually no dust, so star formation there ceased very long ago.




futuristic

  • Member
  • Posts: 638
Reply 2 on: Jul 27, 2018
Gracias!


hramirez205

  • Member
  • Posts: 345
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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?

The longest a person has survived after a heart transplant is 24 years.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

For a complete list of videos, visit our video library