« previous next »

Author Question: Higher mass protostars enter the main sequence: A) faster and at a higher luminosity and ... (Read 115 times)

geoffrey

  • Hero Member
  • *****
  • Posts: 880
on: Jul 27, 2018
Higher mass protostars enter the main sequence:
 
  A) faster and at a higher luminosity and temperature.
  B) faster and at a lower luminosity and temperature.
  C) slower and at a higher luminosity and temperature.
  D) slower and at a lower luminosity and temperature.
  E) at the same rate, but at a higher luminosity and temperature.

Question 2

Describe the conditions of matter and radiation when in a state of thermal equilibrium.
 
  What will be an ideal response?


stillxalice

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jul 27, 2018
Answer to Question 1

A

Answer to Question 2

In thermal equilibrium, matter and energy freely change into one another through pair production and pair annihilation.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.

Did you know?

In 1864, the first barbiturate (barbituric acid) was synthesized.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Determination of the complete genome sequence of Haemophilus influenzae by Venter, Smith, and collea Determination of the complete genome sequence of Haemophilus influenzae by Venter, Smith, and collea
Transposon mutagenesis can be used to map a mutation in the genome sequence Transposon mutagenesis can be used to map a mutation in the genome sequence
Spider main organs Spider main organs
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
In older adults, higher education is related to higher levels of ego development. In older adults, higher education is related to higher levels of ego development.
The effect of frameshift mutations on a DNA sequence repeating the triplet sequence GAG The effect of frameshift mutations on a DNA sequence repeating the triplet sequence GAG
Video: Structure of Amino Acid, Peptide Bonds & Polypeptides

For a complete list of videos, visit our video library