This topic contains a solution. Click here to go to the answer

Author Question: _________________ galaxies are very luminous at X-ray and ultraviolet wavelengths and have broad ... (Read 30 times)

scienceeasy

  • Hero Member
  • *****
  • Posts: 565
_________________ galaxies are very luminous at X-ray and ultraviolet wavelengths and have broad emission lines in their spectra.
 
  Fill in the blank(s) with correct word

Question 2

Star clusters are important to our study of the lives of high-mass versus low-mass stars because
 
  a. stars in each cluster all formed at about the same time all with the same mass.
  b. the Sun was once a member of a globular cluster.
  c. stars in each cluster all formed at about the same time but with differing masses.
  d. stars in each cluster all formed at different times with differing masses.
  e. All of the other choices are correct.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

peilian

  • Sr. Member
  • ****
  • Posts: 316
Answer to Question 1

Seyfert

Answer to Question 2

c




scienceeasy

  • Member
  • Posts: 565
Reply 2 on: Jul 27, 2018
Thanks for the timely response, appreciate it


6ana001

  • Member
  • Posts: 311
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

For a complete list of videos, visit our video library