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

Author Question: What is the best description of Hanny's Voorwerp? a. spiral galaxies with unusually luminous ... (Read 38 times)

iveyjurea

  • Hero Member
  • *****
  • Posts: 555
on: Jul 27, 2018
What is the best description of Hanny's Voorwerp?
 
  a. spiral galaxies with unusually luminous nuclei
 b. elliptical galaxies with very broad emission lines
 c. a type of double-exhaust model
 d. extremely luminous objects with high redshifts
 e. glowing green gases due to excitation from energy from an active core

Question 2

The Stefan-Boltzmann law relates the ____.
 
  a. energy emitted from a surface every second to the temperature of the surface
  b. wavelength of peak intensity to the Kelvin temperature
 c. binding energy to the Coulomb force
 d. difference in energy level to the wavelength of the emitted photon
 e. observed wavelength to the velocity of the object


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xthemafja

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jul 27, 2018
Answer to Question 1

e

Answer to Question 2

a


iveyjurea

  • Member
  • Posts: 555
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review

bigcheese9

  • Member
  • Posts: 333
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The lipid bilayer is made of phospholipids. They are arranged in a double layer because one of their ends is attracted to water while the other is repelled by water.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Barred Spiral Galaxies Barred Spiral Galaxies
A Cluster of Galaxies A Cluster of Galaxies
The Rotation Curves of Four Spiral Galaxies The Rotation Curves of Four Spiral Galaxies
Five Galaxies and Their Spectra Five Galaxies and Their Spectra
Drug Classification and Description of Use Drug Classification and Description of Use
The general description of allele and genotype frequencies under Hardy–Weinberg assumptions The general description of allele and genotype frequencies under Hardy–Weinberg assumptions
Video: Bone tissue types - compact and spongy

For a complete list of videos, visit our video library