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

Author Question: The Trifid Nebula is an example of a(n) ________ nebula. Fill in the blank(s) with correct ... (Read 71 times)

jerry coleman

  • Hero Member
  • *****
  • Posts: 570
The Trifid Nebula is an example of a(n) ________ nebula.
 
  Fill in the blank(s) with correct word

Question 2

A gravitational sling-shot:
 
  A) causes comets to crash into planets, such as Jupiter in 1994.
  B) allowed the Apollo astronauts to reach the Moon in 1969.
  C) is the accepted theory for the formation of the asteroid belt.
  D) changes the speed and direction of a spacecraft nearing a massive planet.
  E) explains how the solar system was formed after a near collision with another star.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ASDFGJLO

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

emission

Answer to Question 2

D



jerry coleman

  • Hero Member
  • *****
  • Posts: 570
Both answers were spot on, thank you once again



ASDFGJLO

  • Sr. Member
  • ****
  • Posts: 335

 

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

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?

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.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

IgA antibodies protect body surfaces exposed to outside foreign substances. IgG antibodies are found in all body fluids. IgM antibodies are the first type of antibody made in response to an infection. IgE antibody levels are often high in people with allergies. IgD antibodies are found in tissues lining the abdomen and chest.

For a complete list of videos, visit our video library