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

Author Question: About 90 of the star's total life is spent on the main sequence. Indicate whether the statement ... (Read 321 times)

londonang

  • Hero Member
  • *****
  • Posts: 540
on: Jul 27, 2018
About 90 of the star's total life is spent on the main sequence.
 
  Indicate whether the statement is true or false

Question 2

Which is more common: a star blows up as a supernova, or a star forms a planetary nebula/white dwarf system?
 
  A) Supernovae are more common. B) Planetary nebula formation is more common.
  C) They both occur in about equal numbers. D) It is impossible to say.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Hdosisshsbshs

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 27, 2018
Answer to Question 1

TRUE

Answer to Question 2

B


londonang

  • Hero Member
  • *****
  • Posts: 540
Reply #2 on: Jul 27, 2018
Both answers were spot on, thank you once again


Hdosisshsbshs

  • Sr. Member
  • ****
  • Posts: 315
Reply #3 on: Jul 27, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Approximately 25% of all reported medication errors result from some kind of name confusion.

Did you know?

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

Did you know?

All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

Male coho salmon exhibit two alternative life history strategies. “Jack†Male coho salmon exhibit two alternative life history strategies. “Jackâ€ÂÂ
Model of a Neutron Star’s Interior Model of a Neutron Star’s Interior
This girl’s photo illustrates the main features of fetal alcohol syndrome, including a flat nasal ... This girl’s photo illustrates the main features of fetal alcohol syndrome, including a flat nasal ...
Typical life cycle of the tick family. Typical life cycle of the tick family.
Types of ecosystem service vs. total global value per year Types of ecosystem service vs. total global value per year
World Total Energy Consumption by Fuel Type World Total Energy Consumption by Fuel Type
Video: Embryonic development - week 1 and 2

For a complete list of videos, visit our video library