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 119 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?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

For a complete list of videos, visit our video library