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 53 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?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

Fungal nail infections account for up to 30% of all skin infections. They affect 5% of the general population—mostly people over the age of 70.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

For a complete list of videos, visit our video library