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

Author Question: Briefly explain why stars that formed early in the history of the galaxy contain a smaller ... (Read 32 times)

JGIBBSON

  • Hero Member
  • *****
  • Posts: 538
on: Jul 27, 2018
Briefly explain why stars that formed early in the history of the galaxy contain a smaller proportion of heavy elements than stars that formed more recently.
 
  What will be an ideal response?

Question 2

If a neutron star attains a mass over ________ solar masses it becomes a black hole.
 
  Fill in the blank(s) with correct word


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

softEldritch

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 27, 2018
Answer to Question 1

The star-gas-star cycle gradually enriches the interstellar medium with heavy elements. Therefore, stars that formed early in the history of the galaxy were formed before much enrichment from supernova events could take place. Stars that formed more recently were formed from material that had been enriched by the many previous generations of stars.

Answer to Question 2

three


JGIBBSON

  • Member
  • Posts: 538
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

yeungji

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

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?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Transverse Breaks the shaft of a bone across its longitudinal axis; the break is in the fibula, the Transverse Breaks the shaft of a bone across its longitudinal axis; the break is in the fibula, the
An example of a Hertzsprung–Russell diagram for a set of stars that includes the Sun An example of a Hertzsprung–Russell diagram for a set of stars that includes the Sun
Geographic distribution of early hominins. Geographic distribution of early hominins.
Mechanisms to Explain the Effects of Massage Mechanisms to Explain the Effects of Massage
Two early Homo skulls Two early Homo skulls
Video: Lipid digestion - mouth, stomach and small intestine

For a complete list of videos, visit our video library