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

Author Question: Long-period comets are believed to originally come from A) the Kuiper belt. B) the Oort cloud. ... (Read 68 times)

AEWBW

  • Hero Member
  • *****
  • Posts: 579
Long-period comets are believed to originally come from
 
  A) the Kuiper belt.
  B) the Oort cloud.
  C) the satellite system of Jupiter.
  D) the interstellar medium.
  E) the asteroid belt.

Question 2

How do we know that pulsars must be neutron stars?
 
  A) Pulsars have the same upper mass limit as neutron stars do.
  B) No massive object, other than a neutron star, could spin as fast as we observe pulsars to spin and remain intact.
  C) This is only a theory that has not yet been confirmed by observations.
  D) We have observed massive-star supernovae produce pulsars.
  E) Telescopic images of pulsars and neutron stars look exactly the same.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ngr69

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

B

Answer to Question 2

B




AEWBW

  • Member
  • Posts: 579
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


debra928

  • Member
  • Posts: 342
Reply 3 on: Yesterday
Wow, this really help

 

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 top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

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).

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

For a complete list of videos, visit our video library