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

Author Question: In the 1960s, Maarten Schmidt determined that quasars were very distant objects by A) determining ... (Read 16 times)

HCHenry

  • Hero Member
  • *****
  • Posts: 591
In the 1960s, Maarten Schmidt determined that quasars were very distant objects by
 
  A) determining how luminous they were.
  B) determining how small the source of light was from its variations in luminosity.
  C) discovering that they were embedded in distant galaxies.
  D) determining their redshifts.
  E) determining their parallax angles.

Question 2

The average length of a solar day is
 
  A) 23 hours 56 minutes.
  B) 24 hours.
  C) 365.25 days.
  D) 12 years.
  E) 26,000 years.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Galvarado142

  • Sr. Member
  • ****
  • Posts: 348
Answer to Question 1

D

Answer to Question 2

B





 

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

For a complete list of videos, visit our video library