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

Author Question: Astronomers who discovered quasars found that they show ___________ of their spectral lines and are ... (Read 104 times)

Coya19@aol.com

  • Hero Member
  • *****
  • Posts: 601
on: Jul 27, 2018
Astronomers who discovered quasars found that they show ___________ of their spectral lines and are thus probably much ___________ than nearby galaxies.
 
  a. large redshifts; farther away
  b. large blueshifts; farther away
  c. no wavelength difference; nearer
  d. large redshifts; nearer
  e. large blueshift; nearer

Question 2

What are the two longest stages in the life of a one-solar-mass star?
 
  a. Protostar, pre-main-sequence
  b. Protostar, white dwarf
  c. Protostar, main-sequence
  d. Main-sequence, white dwarf


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ansleighelindsey

  • Sr. Member
  • ****
  • Posts: 364
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

d


Coya19@aol.com

  • Member
  • Posts: 601
Reply 2 on: Jul 27, 2018
Wow, this really help

okolip

  • Member
  • Posts: 362
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

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

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

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.

The most abundant elements found in living organisms The most abundant elements found in living organisms
The transcription of three different genes that are found in the same chromosome. The transcription of three different genes that are found in the same chromosome.
Bayliss and Starling discovered the mechanism by which the small intestine and pancreas work togethe Bayliss and Starling discovered the mechanism by which the small intestine and pancreas work togethe
Acromegaly. Acromegaly is a metabolic disorder in which excessive amounts of growth hormone are secr Acromegaly. Acromegaly is a metabolic disorder in which excessive amounts of growth hormone are secr
The evaporative emission control system includes all of the lines, hoses, and valves, plus the ... The evaporative emission control system includes all of the lines, hoses, and valves, plus the ...
Calculus help: Show that y has three points of inflection and they all lie on... Calculus help: Show that y has three points of inflection and they all lie on...
Video: Inflammation and Fever

For a complete list of videos, visit our video library