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

Author Question: Massive stars form cores of ________ before exploding as Type II supernovae. Fill in the blank(s) ... (Read 120 times)

Beheh

  • Hero Member
  • *****
  • Posts: 520
Massive stars form cores of ________ before exploding as Type II supernovae.
 
  Fill in the blank(s) with correct word

Question 2

Of all the active galactic nuclei, the ________ is the most energetic.
 
  A) quasar
  B) giant elliptical
  C) radio lobe galaxy
  D) blazar
  E) Seyfert



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Moriaki

  • Sr. Member
  • ****
  • Posts: 341
Answer to Question 1

iron

Answer to Question 2

A





 

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

For a complete list of videos, visit our video library