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

Author Question: How could the distance measurements based on white dwarf supernovae be independently validated (or ... (Read 68 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
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
:D TYSM

flexer1n1

  • Member
  • Posts: 373
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Evolutionary tree based on comparisons of cytochrome c DNA Evolutionary tree based on comparisons of cytochrome c DNA
Mars's average distance from the Sun is roughly 230 million km (1.5 AU) and its orbital period Mars's average distance from the Sun is roughly 230 million km (1.5 AU) and its orbital period
Supernovae Proceed Irregularly Supernovae Proceed Irregularly
That politics was always a rough business is shown in this cartoon, which shows Lincoln, assisted by That politics was always a rough business is shown in this cartoon, which shows Lincoln, assisted by
The places on Tom’s body where touches elicited sensations in his phantom hand. (Based on ... The places on Tom’s body where touches elicited sensations in his phantom hand. (Based on ...
A schematic view of ribosome subunit rotational motions, based on crystal structures of ribosomes A schematic view of ribosome subunit rotational motions, based on crystal structures of ribosomes
Video: Major Elements in Biological Molecules: Nucleic acids

For a complete list of videos, visit our video library