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

Author Question: Which of the following hypothetical observations would contradict our theories about the formation ... (Read 101 times)

Bernana

  • Hero Member
  • *****
  • Posts: 530
on: Jul 27, 2018
Which of the following hypothetical observations would contradict our theories about the formation and evolution of white dwarfs?
 
  A) discovery of a white dwarf with a surface temperature of 6000 K
  B) discovery of a white dwarf with a 1.5 Msun mass main-sequence companion
  C) discovery of a white dwarf with a mass 1.5 times that of the Sun (1.5 Msun)
  D) discovery of a white dwarf at the center of a planetary nebula

Question 2

The proton-proton chain converts four hydrogen nuclei into one helium nucleus plus energy.
 
  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

Jsherida

  • Sr. Member
  • ****
  • Posts: 314
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


Bernana

  • Hero Member
  • *****
  • Posts: 530
Reply #2 on: Jul 27, 2018
Thanks


Jsherida

  • Sr. Member
  • ****
  • Posts: 314
Reply #3 on: Jul 27, 2018
Welcome :)


« previous next »
 

Did you know?

Your heart beats over 36 million times a year.

Did you know?

Signs and symptoms that may signify an eye tumor include general blurred vision, bulging eye(s), double vision, a sensation of a foreign body in the eye(s), iris defects, limited ability to move the eyelid(s), limited ability to move the eye(s), pain or discomfort in or around the eyes or eyelids, red or pink eyes, white or cloud spots on the eye(s), colored spots on the eyelid(s), swelling around the eyes, swollen eyelid(s), and general vision loss.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

The formation of covalent bonds The formation of covalent bonds
Relatively simple changes in Hox genes control limb formation in tetrapods. Relatively simple changes in Hox genes control limb formation in tetrapods.
Formation of head in arthropod subphyla. Formation of head in arthropod subphyla.
FORMATION OF WBC AND RBC FORMATION OF WBC AND RBC
Formation of phosphodiester bond Formation of phosphodiester bond
Amino acids and peptide bond formation Amino acids and peptide bond formation
Video: Febrile Seizure

For a complete list of videos, visit our video library