This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Why do we think the first generation of stars would be different from stars born today? A) ... (Read 21 times)

mynx

  • Hero Member
  • *****
  • Posts: 555
on: Jul 27, 2018
Why do we think the first generation of stars would be different from stars born today?
 
  A) Without heavy elements, the clouds could not reach as low a temperature as today and had to be more massive to collapse.
  B) Without heavy elements, the nuclear reactions at the center of the stars would be very different.
  C) Without heavy elements, there was no dust in the clouds and they collapsed faster.
  D) The Universe was much denser when the first stars were born.
  E) There were no galaxies when the first stars were born.

Question 2

Star formation ceased first in the:
 
  A) nucleus.
  B) spiral arms.
  C) bulge.
  D) halo.
  E) galactic disk.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Li Jun

  • Sr. Member
  • ****
  • Posts: 335
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

D


mynx

  • Hero Member
  • *****
  • Posts: 555
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


Li Jun

  • Sr. Member
  • ****
  • Posts: 335
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

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

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Over time, chronic hepatitis B virus and hepatitis C virus infections can progress to advanced liver disease, liver failure, and hepatocellular carcinoma. Unlike other forms, more than 80% of hepatitis C infections become chronic and lead to liver disease. When combined with hepatitis B, hepatitis C now accounts for 75% percent of all cases of liver disease around the world. Liver failure caused by hepatitis C is now leading cause of liver transplants in the United States.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

The two bright stars are (left) Alpha Centauri and (right) Beta Centauri. The two bright stars are (left) Alpha Centauri and (right) Beta Centauri.
People have seen patterns in the stars since ancient times.[5] This 1690 depiction of the constellat People have seen patterns in the stars since ancient times.[5] This 1690 depiction of the constellat
The Sun Today and as a Giant The Sun Today and as a Giant
Throughout history, technology has had an impact on families. Today is no exception. Throughout history, technology has had an impact on families. Today is no exception.
The introduction of a new generation of electric and hybrid cars will reduce the demand for oil The introduction of a new generation of electric and hybrid cars will reduce the demand for oil
A Punnett square can be used to derive the F2 ratios in a cross from the F1 generation. A Punnett square can be used to derive the F2 ratios in a cross from the F1 generation.
Video: System organization - PPM system types (Somatic, Autonomic & Enteric) and Reflex arc types

For a complete list of videos, visit our video library