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

Author Question: The object left behind after the 1054 AD supernova explosion has been observed at the center of the ... (Read 18 times)

SAVANNAHHOOPER23

  • Hero Member
  • *****
  • Posts: 542
The object left behind after the 1054 AD supernova explosion has been observed at the center of the Crab nebula. The object is a
 
  a. white dwarf.
  b. neutron star.
  c. red giant.
  d. protostar.

Question 2

Light can behave as a particle or as a wave.
 
  a. True
  b. False
  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

durant1234

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

b

Answer to Question 2

True




SAVANNAHHOOPER23

  • Member
  • Posts: 542
Reply 2 on: Jul 27, 2018
Wow, this really help


emsimon14

  • Member
  • Posts: 344
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

For a complete list of videos, visit our video library