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 60 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 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?

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.

Did you know?

Most strokes are caused when blood clots move to a blood vessel in the brain and block blood flow to that area. Thrombolytic therapy can be used to dissolve the clot quickly. If given within 3 hours of the first stroke symptoms, this therapy can help limit stroke damage and disability.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

The Pleiades, an open cluster of stars in the constellation of Taurus. The Pleiades, an open cluster of stars in the constellation of Taurus.
Classifying the Spectra of Stars Classifying the Spectra of Stars
Evolution of Stars Off the Main Sequence Evolution of Stars Off the Main Sequence
Generation of progeny phage containing two genotypes by replication of heteroduplex DNA Generation of progeny phage containing two genotypes by replication of heteroduplex DNA
The number of phenotypic classes in the F2 generation increases as the number of genes controlling t The number of phenotypic classes in the F2 generation increases as the number of genes controlling t
Generation of various modified dihybrid ratios from the nine unique genotypes Generation of various modified dihybrid ratios from the nine unique genotypes
Video: Factors that affect conduction rates (myelination, axon diameter & temperature)

For a complete list of videos, visit our video library