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 55 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
Great answer, keep it coming :)

phuda

  • Member
  • Posts: 348
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

In 2006, a generic antinausea drug named ondansetron was approved. It is used to stop nausea and vomiting associated with surgery, chemotherapy, and radiation therapy.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

white bengal tiger white bengal tiger
black and white face black and white face
Standard Alcoholic Drink Sizes Standard Alcoholic Drink Sizes
The formed elements: In this image, the red cells are red, the white cells are white, and the ... The formed elements: In this image, the red cells are red, the white cells are white, and the ...
How to manually find the mean, variance, and standard deviation for a set of numbers How to manually find the mean, variance, and standard deviation for a set of numbers
The Plunger and Barrel of a Standard Syringe The Plunger and Barrel of a Standard Syringe
Video: Introduction to Human Immunodeficiency Virus (HIV)

For a complete list of videos, visit our video library