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

Author Question: Two stars, Fred and Barney, are of the same size. Fred has spectral type F, while Barney has ... (Read 225 times)

corkyiscool3328

  • Hero Member
  • *****
  • Posts: 539
Two stars, Fred and Barney, are of the same size. Fred has spectral type F, while Barney has spectral type B. Which one is more luminous? What are their relative locations on the HR diagram?
 
  What will be an ideal response?

Question 2

Which of the following statements are not falsiable? Being falsiable means that, in principle, it can be shown to be false by observations or experiments.
 
  A) Human beings were created by God.
  B) The Sun is at the center of the solar system.
  C) The observable universe contains about 100 billion galaxies.
  D) The Earth is at the center of the solar system.
  E) The chemical content of the universe is mostly hydrogen and helium.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jliusyl

  • Sr. Member
  • ****
  • Posts: 328
Answer to Question 1

Barney has a hotter surface temperature than Fred. Since they have the same surface area, Barney is also more luminous. Barney appears above and to the left of Fred.

Answer to Question 2

A



corkyiscool3328

  • Hero Member
  • *****
  • Posts: 539
Both answers were spot on, thank you once again



jliusyl

  • Sr. Member
  • ****
  • Posts: 328

 

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?

The average adult has about 21 square feet of skin.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

For a complete list of videos, visit our video library