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 467 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?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

In women, pharmacodynamic differences include increased sensitivity to (and increased effectiveness of) beta-blockers, opioids, selective serotonin reuptake inhibitors, and typical antipsychotics.

Did you know?

A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

Did you know?

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

Life cycle of Plasmodium Life cycle of Plasmodium
Life Is Abundant in Soil Life Is Abundant in Soil
Willem de Zwart: Still Life with Apples in a Delft Blue Bowl, 1880–1890 Willem de Zwart: Still Life with Apples in a Delft Blue Bowl, 1880–1890
How to setup and solve a half-life problem using a table of values (Question 1) How to setup and solve a half-life problem using a table of values (Question 1)
Marine pollution threatens resources and marine life Marine pollution threatens resources and marine life
Mottled Sea Star (Evasterias troschelii) eating a clam, Alaska. Mottled Sea Star (Evasterias troschelii) eating a clam, Alaska.
Video: Molecules, Membrane Permeability and Structure

For a complete list of videos, visit our video library