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

Author Question: Which of the following processes slowed the collapse of protogalactic clouds? A) the conversion ... (Read 69 times)

Collmarie

  • Hero Member
  • *****
  • Posts: 569
on: Jul 27, 2018
Which of the following processes slowed the collapse of protogalactic clouds?
 
  A) the conversion of gravitational potential energy into kinetic and thermal energy as the cloud collapsed
  B) the formation of the first generation of stars
  C) the shock waves from the exploding supernovae of the earliest stars
  D) the pull of gravity of the mass of the cloud material
  E) the radiating away of thermal energy

Question 2

A unique characteristic of type O stars is ionized helium lines in its spectrum.
 
  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

welcom1000

  • Sr. Member
  • ****
  • Posts: 298
Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

TRUE


Collmarie

  • Member
  • Posts: 569
Reply 2 on: Jul 27, 2018
Gracias!

matt95

  • Member
  • Posts: 317
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

Did you know?

Drug abusers experience the following scenario: The pleasure given by their drug (or drugs) of choice is so strong that it is difficult to eradicate even after years of staying away from the substances involved. Certain triggers may cause a drug abuser to relapse. Research shows that long-term drug abuse results in significant changes in brain function that persist long after an individual stops using drugs. It is most important to realize that the same is true of not just illegal substances but alcohol and tobacco as well.

The rapid collapse of the South Vietnamese army in 1975 caught many by surprise. Evacuees formed a ... The rapid collapse of the South Vietnamese army in 1975 caught many by surprise. Evacuees formed a ...
Energy Transfer Processes: Free Convection Energy Transfer Processes: Free Convection
Clouds: Unusual Clouds Clouds: Unusual Clouds
Contribution of enthalpy and entropy to several favorable processes Contribution of enthalpy and entropy to several favorable processes
Water-Soluble Vitamins Act as Coenzymes in Metabolic Processes Water-Soluble Vitamins Act as Coenzymes in Metabolic Processes
A 16-input multiplexer is to be used to perform parallel-to-serial data conversion. Which of ... A 16-input multiplexer is to be used to perform parallel-to-serial data conversion. Which of ...
Video: Role of the respiratory system - effect of altered ventilation rates

For a complete list of videos, visit our video library