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

Author Question: The vast majority of stars in a newly formed star cluster are ________. A) red giants B) very ... (Read 69 times)

lracut11

  • Hero Member
  • *****
  • Posts: 536
on: Jul 27, 2018
The vast majority of stars in a newly formed star cluster are ________.
 
  A) red giants B) very high-mass, type O and B stars
  C) less massive than the Sun D) about the same mass as our Sun

Question 2

What was the significance of the end of the era of nucleosynthesis, when the universe was about 5 minutes old?
 
  A) It marks the time at which the expansion of the universe had settled down to its current rate.
  B) The basic chemical composition of the universe had been determined.
  C) It marks the time at which the first stars formed.
  D) The proportions of dark matter and luminous matter had been determined.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pikon

  • Sr. Member
  • ****
  • Posts: 361
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

B


lracut11

  • Member
  • Posts: 536
Reply 2 on: Jul 27, 2018
Wow, this really help

epscape

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Venous Star Venous Star
A Binary Star System A Binary Star System
Stars and the Interstellar Medium Stars and the Interstellar Medium
Despite the globe’s vast social change, people all over the world continue to make race a ... Despite the globe’s vast social change, people all over the world continue to make race a ...
Flo Hyman was a 6 foot 5 inch star on the U.S. women’s volleyball team that won a silver medal in ... Flo Hyman was a 6 foot 5 inch star on the U.S. women’s volleyball team that won a silver medal in ...
Mottled Sea Star (Evasterias troschelii) eating a clam, Alaska. Mottled Sea Star (Evasterias troschelii) eating a clam, Alaska.
Video: The Lac Operon in E. Coli

For a complete list of videos, visit our video library