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

Author Question: Which of the following is not a good reason why white-dwarf supernovae are good standard candles for ... (Read 20 times)

tiara099

  • Hero Member
  • *****
  • Posts: 588
on: Jul 27, 2018
Which of the following is not a good reason why white-dwarf supernovae are good standard candles for distance measurements?
 
  A) White-dwarf supernovae are so bright that they can be detected even in very distant galaxies.
  B) All white-dwarf supernovae involve the explosion of stars of nearly the same mass.
  C) White-dwarf supernovae occur only among young and extremely bright stars.
  D) White-dwarf supernovae are common enough that we detect several every year.
  E) All white-dwarf supernovae have similar light curves, which makes them easy to distinguish from massive-star supernovae.

Question 2

The Hipparcos satellite has extended our accurate parallax distance measurements to over 200 parsecs.
 
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

wuly

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


tiara099

  • Member
  • Posts: 588
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

nothere

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Rare and amazing White Deer Rare and amazing White Deer
A standard employment application form may be used. A standard employment application form may be used.
Good body mechanics for lifting heavy objects. Good body mechanics for lifting heavy objects.
Standard reduction potentials of the major respiratory electron carriers Standard reduction potentials of the major respiratory electron carriers
Prevalence of good health in Canadians aged 65 years and older Prevalence of good health in Canadians aged 65 years and older
Video: Power Supply Polyacrylamide Gel Protein Sample

For a complete list of videos, visit our video library