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 30 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
Excellent

jamesnevil303

  • Member
  • Posts: 337
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

DNA Sequence DNA Sequence
20,000 year old spotted hyena painting from the Chauvet Cave, France 20,000 year old spotted hyena painting from the Chauvet Cave, France
This jumping spider's main ocelli (center pair) are very acute. This jumping spider's main ocelli (center pair) are very acute.
Post–Main-Sequence Evolution of Low-Mass Stars Post–Main-Sequence Evolution of Low-Mass Stars
The Structure of an Old High-Mass Star The Structure of an Old High-Mass Star
Comparison of an Amino Acid Sequence Comparison of an Amino Acid Sequence
Video: Chemical Messengers Animation

For a complete list of videos, visit our video library