« previous next »

Author Question: Which of the following is NOT one of the normal types of galaxies? A) Normal spirals B) Barrel ... (Read 67 times)

sabina

  • Hero Member
  • *****
  • Posts: 563
on: Jul 27, 2018
Which of the following is NOT one of the normal types of galaxies?
 
  A) Normal spirals
  B) Barrel spirals
  C) Seyfert spirals
  D) Irregular type II
  E) Dwarf ellipticals

Question 2

Why don't we expect to find life on planets orbiting high-mass stars?
 
  A) The stars are too hot to allow for life.
  B) Planets cannot have stable orbits around high-mass stars.
  C) The high-mass stars emit too much ultraviolet radiation.
  D) The lifetime of a high-mass star is too short.


Liamb2179

  • Sr. Member
  • ****
  • Posts: 365
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Types of Neurons Types of Neurons
A Cluster of Galaxies A Cluster of Galaxies
The two types of neural migration: radial migration and tangential migration. The two types of neural migration: radial migration and tangential migration.
Three Main Types of Tectonic Plates Boundaries Three Main Types of Tectonic Plates Boundaries
Distribution of dystrophin in muscle cells. (a) In normal muscle cells, all the dystrophin is locate Distribution of dystrophin in muscle cells. (a) In normal muscle cells, all the dystrophin is locate
The two types of photoreceptors in the retina The two types of photoreceptors in the retina
Video: Parkinson's Disease

For a complete list of videos, visit our video library