This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is an ionization nebula? A) a name sometimes used to describe spiral galaxies besides the ... (Read 52 times)

DyllonKazuo

  • Hero Member
  • *****
  • Posts: 565
on: Jul 27, 2018
What is an ionization nebula?
 
  A) a name sometimes used to describe spiral galaxies besides the Milky Way
  B) a region of very hot, low-density gas surrounding a recent supernova
  C) a clump of gas that will soon give birth to a new star
  D) a colorful cloud of gas that glows because it is heated by light from nearby hot stars

Question 2

The masses of most spiral galaxies, like ours, are a few billion solar masses.
 
  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

ririgirl15

  • Sr. Member
  • ****
  • Posts: 385
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

FALSE


DyllonKazuo

  • Member
  • Posts: 565
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

nathang24

  • Member
  • Posts: 314
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

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?

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

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Elliptical Galaxies Elliptical Galaxies
Interacting and Colliding Galaxies Interacting and Colliding Galaxies
Merging Galaxies Merging Galaxies
The Rotation Curves of Four Spiral Galaxies The Rotation Curves of Four Spiral Galaxies
Gravitational Lensing of Extremely Distant Galaxies Gravitational Lensing of Extremely Distant Galaxies
Distant Galaxies Distant Galaxies
Video: Condensation and Hydrolysis Animation

For a complete list of videos, visit our video library