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

Author Question: When they were first discovered, quasars appeared to be____. a. small, star-like objects ... (Read 83 times)

Tazate

  • Hero Member
  • *****
  • Posts: 532
When they were first discovered, quasars appeared to be____.
 
  a. small, star-like objects associated with radio emission
  b. pairs of radio sources
 c. elliptical galaxies with an X-ray emitting halo
 d. clouds of gas glowing with green emission lines
 e. linear jets of matter

Question 2

A spectrum that displays a smooth variation in intensity over a range of wavelengths with breaks where no energy is observed at specific wavelengths is a(n) ____ spectrum.
 
  a. absorption
  b. emission
 c. continuous
  d. Doppler
 e. ionization



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

SomethingSomething

  • Sr. Member
  • ****
  • Posts: 323
Answer to Question 1

a

Answer to Question 2

a





 

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

For a complete list of videos, visit our video library