« previous next »

Author Question: What is a superbubble? A) a very low-density region of interstellar space, formed by the merger ... (Read 63 times)

madam-professor

  • Hero Member
  • *****
  • Posts: 584
on: Jul 27, 2018
What is a superbubble?
 
  A) a very low-density region of interstellar space, formed by the merger of several bubbles
  B) a very high-density region of interstellar space, filled with gas ejected from nearby star systems
  C) a bubble so large that it fills much of the galactic halo
  D) the region of space cleared by a powerful supernova
  E) a cloud of gas that can form a million or more stars

Question 2

Black holes suck up all matter in sight.
 
  Indicate whether the statement is true or false


DHRUVSHAH

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

FALSE


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

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

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Three ways that factors affect mortality in response to changes in population density. Three ways that factors affect mortality in response to changes in population density.
Space Space
Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground Fossils are formed after an animal dies, decomposes, and is covered in sediment. Minerals in ground
A mother dies, a father loses his leg—such calamities shattered poor urban families. Orphaned street A mother dies, a father loses his leg—such calamities shattered poor urban families. Orphaned street
Physics - Density, Pressure, and Pascal's Principle Physics - Density, Pressure, and Pascal's Principle
A genetic map showing the location of revertible (point) mutants of the rll region A genetic map showing the location of revertible (point) mutants of the rll region
Video: Passive Smoke Exposure

For a complete list of videos, visit our video library