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

Author Question: What is the thickness of the disk of the Milky Way? A) 100 light-years B) 1,000 light-years C) ... (Read 99 times)

ssal

  • Hero Member
  • *****
  • Posts: 572
on: Jul 27, 2018
What is the thickness of the disk of the Milky Way?
 
  A) 100 light-years
  B) 1,000 light-years
  C) 10,000 light-years
  D) 100,000 light-years
  E) 1,000,000 light-years

Question 2

How does the death of one very massive star give birth to perhaps hundreds of smaller ones soon thereafter?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

leahm14

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

The more massive the star, the faster it evolves, and less time it has to leave its stellar nursery and dense molecular cloud. When it explodes while still close to this dense region, its shock wave will trigger compression and collapse of many smaller protostars all at once.


ssal

  • Hero Member
  • *****
  • Posts: 572
Reply #2 on: Jul 27, 2018
TY


leahm14

  • Sr. Member
  • ****
  • Posts: 322
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

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?

Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Structure of an antibody light chain Structure of an antibody light chain
Defying thousands of years of conventional wisdom, scientists are reporting that it is possible for Defying thousands of years of conventional wisdom, scientists are reporting that it is possible for
Two Scottish reindeer relax after pulling Santa's sleigh at the switching on of Christmas light Two Scottish reindeer relax after pulling Santa's sleigh at the switching on of Christmas light
Refraction Through Uniform and Variable Thickness Glasses Refraction Through Uniform and Variable Thickness Glasses
A fluorescent trouble light operates cooler and is safer to use in the shop because it is protected ... A fluorescent trouble light operates cooler and is safer to use in the shop because it is protected ...
How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ... How wide must a narrow slit be if the first diffraction minimum occurs at 12 with laser light ...
Video: Junction Types - Tight and Adherens Junctions

For a complete list of videos, visit our video library