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

Author Question: Absorption lines in the spectra of supergiant stars are broader than the same spectral lines in ... (Read 93 times)

sammy

  • Hero Member
  • *****
  • Posts: 818
Absorption lines in the spectra of supergiant stars are broader than the same spectral lines in main-sequence stars of the same spectral type.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

What happens when a core's mass exceeds 3 solar masses and its density exceeds that which electron degeneracy pressure can support?
 
  a. The core collapses into a black hole. b. The core collapses into a neutron star.
  c. The core collapses into a white dwarf. d. The core collapses into a neutron star or a black hole.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pangili4

  • Sr. Member
  • ****
  • Posts: 346
Answer to Question 1

False

Answer to Question 2

a




sammy

  • Member
  • Posts: 818
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)


deja

  • Member
  • Posts: 332
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Patients should never assume they are being given the appropriate drugs. They should make sure they know which drugs are being prescribed, and always double-check that the drugs received match the prescription.

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

Dogs have been used in studies to detect various cancers in human subjects. They have been trained to sniff breath samples from humans that were collected by having them breathe into special tubes. These people included 55 lung cancer patients, 31 breast cancer patients, and 83 cancer-free patients. The dogs detected 54 of the 55 lung cancer patients as having cancer, detected 28 of the 31 breast cancer patients, and gave only three false-positive results (detecting cancer in people who didn't have it).

For a complete list of videos, visit our video library