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 39 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
Wow, this really help

milbourne11

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

The Spiral The Spiral
Elliptical Galaxies Elliptical Galaxies
Gravitational Lensing of Extremely Distant Galaxies Gravitational Lensing of Extremely Distant Galaxies
Creation of Spiral and Elliptical Galaxies Creation of Spiral and Elliptical Galaxies
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: Spermatogenesis Animation

For a complete list of videos, visit our video library