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

Author Question: Spiral arms are thought to be sites of ________, based on the observations newly formed stars and ... (Read 125 times)

Kthamas

  • Hero Member
  • *****
  • Posts: 546
Spiral arms are thought to be sites of ________, based on the observations newly formed stars and interstellar dust lanes in and around these features.
 
  Fill in the blank(s) with correct word

Question 2

Hubble's constant is constant in
 
  A) time.
  B) space.
  C) space and time.
  D) our Galaxy but different in others.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

hanadaa

  • Sr. Member
  • ****
  • Posts: 339
Answer to Question 1

star formation

Answer to Question 2

B



Kthamas

  • Hero Member
  • *****
  • Posts: 546
Both answers were spot on, thank you once again




 

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

Did you know?

The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

For a complete list of videos, visit our video library