Author Question: An X-ray burster occurs in a pulsar when ____. a. accreted helium suddenly fuses in a nova-like ... (Read 52 times)

moongchi

  • Hero Member
  • *****
  • Posts: 516
An X-ray burster occurs in a pulsar when ____.
 
  a. accreted helium suddenly fuses in a nova-like explosion
 b. the Chandrasekhar limit is exceeded and the object collapses
 c. carbon deflagration destroys the object
 d. it merges with a binary companion
 e. hydrogen fusion ignites in an accretion disk around it

Question 2

Which model did Galileo disprove by discovering the transit of Venus?
 
  a. Ptolemaic
 b. Copernican
  c. Aristotelian
  d. Plutonic
 e. Kepler



T4T

  • Sr. Member
  • ****
  • Posts: 348
Answer to Question 1

a

Answer to Question 2

a



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.

Did you know?

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

Did you know?

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

For a complete list of videos, visit our video library