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

Author Question: A ten billion year old globular cluster has every star evolved into a giant, with no main sequence ... (Read 31 times)

Kthamas

  • Hero Member
  • *****
  • Posts: 546
on: Jul 27, 2018
A ten billion year old globular cluster has every star evolved into a giant, with no main sequence stars left.
 
  Indicate whether the statement is true or false

Question 2

Assuming the conditions ripe for life and intelligence abound in the Galaxy, what factor limits the number of galactic civilizations?
 
  A) the lack of metals for technology
  B) the number of supernova explosions
  C) the expansion of the Universe
  D) the average survival time of the civilizations
  E) the speed of technological development


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

stallen

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 27, 2018
Answer to Question 1

FALSE

Answer to Question 2

D


Kthamas

  • Member
  • Posts: 546
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

atrochim

  • Member
  • Posts: 331
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Circumpolar Star Trails Circumpolar Star Trails
On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a
Infant: 4 weeks to 1 year. Infant: 4 weeks to 1 year.
Main Hall, Trajan's Market Main Hall, Trajan's Market
Black Hole and Companion Star Black Hole and Companion Star
Sea star Sea star
Video: hGH, Thyroid hormones & Aldosterone

For a complete list of videos, visit our video library