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

Author Question: In the 1960s, Maarten Schmidt determined that quasars were very distant objects by A) determining ... (Read 63 times)

HCHenry

  • Hero Member
  • *****
  • Posts: 591
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

B


HCHenry

  • Hero Member
  • *****
  • Posts: 591
Reply #2 on: Jul 27, 2018
TY


Galvarado142

  • Sr. Member
  • ****
  • Posts: 348
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

When intravenous medications are involved in adverse drug events, their harmful effects may occur more rapidly, and be more severe than errors with oral medications. This is due to the direct administration into the bloodstream.

Did you know?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Some of the fastest growing religions in America are non-Judeo-Christian religions. This photograph Some of the fastest growing religions in America are non-Judeo-Christian religions. This photograph
Distant Galaxies Distant Galaxies
determining the mode of inheritance determining the mode of inheritance
(A) In hyperopia, light rays focus behind the retina, making it difficult to focus on objects at ... (A) In hyperopia, light rays focus behind the retina, making it difficult to focus on objects at ...
Binding site variation for transcription factor CEBPA along gene PCK1 as determined by ChIP Binding site variation for transcription factor CEBPA along gene PCK1 as determined by ChIP
Role of Factors of Production in Determining Growth, 1975–2009 Role of Factors of Production in Determining Growth, 1975–2009
Video: Muscle Twitch and Muscle Tension - Motor unit size and force

For a complete list of videos, visit our video library