This topic contains a solution. Click here to go to the answer

Author Question: How could the distance measurements based on white dwarf supernovae be independently validated (or ... (Read 54 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
How could the distance measurements based on white dwarf supernovae be independently validated (or invalidated)?
 
  What will be an ideal response?

Question 2

One energy source for brown dwarfs is:
 
  A) hydrogen fusing to helium.
  B) helium fusing to carbon.
  C) iron core collapse.
  D) helium-3 fusing to helium-4.
  E) deuterium fusing to helium-3.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jody Vaughn

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

By observing the presence and size of secondary shells of galaxies.

Answer to Question 2

E




leilurhhh

  • Member
  • Posts: 560
Reply 2 on: Jul 27, 2018
Wow, this really help


robbielu01

  • Member
  • Posts: 336
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

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?

Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

Did you know?

Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.

For a complete list of videos, visit our video library