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

Author Question: How do astronomers know that the Crab Nebula is the remains of a supernova? What will be an ideal ... (Read 70 times)

madam-professor

  • Hero Member
  • *****
  • Posts: 584
How do astronomers know that the Crab Nebula is the remains of a supernova?
 
  What will be an ideal response?

Question 2

The Milky Way can be seen only from the Northern Hemisphere.
 
  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

peter

  • Sr. Member
  • ****
  • Posts: 330
Answer to Question 1

Both Chinese and Arab records show a guest star in the location that matches the position of the Crab Nebula. Rewinding the motion of the Crab Nebula brings it to the central object at the right time to match the observations of Chinese and Arab astronomers in 1054.

Answer to Question 2

FALSE




madam-professor

  • Member
  • Posts: 584
Reply 2 on: Jul 27, 2018
Gracias!


sultana.d

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

The term pharmacology is derived from the Greek words pharmakon("claim, medicine, poison, or remedy") and logos ("study").

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

For a complete list of videos, visit our video library