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

Author Question: Astronomers have discovered more extrasolar planets around other stars than the number of planets in ... (Read 128 times)

bobthebuilder

  • Hero Member
  • *****
  • Posts: 567
Astronomers have discovered more extrasolar planets around other stars than the number of planets in our own Solar System.
 
  Indicate whether the statement is true or false

Question 2

How are elements beyond iron formed in massive-star supernovae?
 
  A) Elements thrown out at high speeds fuse with hydrogen atoms in the interstellar medium.
  B) Neutrons produced during the core collapse are slammed into atomic nuclei.
  C) The high temperature and pressure allow iron nuclei to fuse.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

sabina576

  • Sr. Member
  • ****
  • Posts: 356
Answer to Question 1

TRUE

Answer to Question 2

B





 

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

Today, nearly 8 out of 10 pregnant women living with HIV (about 1.1 million), receive antiretrovirals.

Did you know?

Malaria was not eliminated in the United States until 1951. The term eliminated means that no new cases arise in a country for 3 years.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

For a complete list of videos, visit our video library