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 47 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
Gracias!

kilada

  • Member
  • Posts: 311
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

People about to have surgery must tell their health care providers about all supplements they take.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Did you know?

In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Spiral tongue of butterflies Spiral tongue of butterflies
Variety in Spiral Arms Variety in Spiral Arms
Irregular Galaxies Irregular 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: Chloroplast Structure & Light Dependent Reactions (Photosystem 1 and 2 Cyclic Electron Flow)

For a complete list of videos, visit our video library