« previous next »

Author Question: If Star A is closer to us than Star B, then Star A's parallax angle is ________. A) fewer parsecs ... (Read 182 times)

newyorker26

  • Hero Member
  • *****
  • Posts: 536
on: Jul 27, 2018
If Star A is closer to us than Star B, then Star A's parallax angle is ________.
 
  A) fewer parsecs than that of Star B B) hotter than that of Star B
  C) smaller than that of Star B D) larger than that of Star B

Question 2

Why do rich clusters of galaxies contain a larger fraction of ellipticals than normal?
 
  What will be an ideal response?


recede

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Jul 27, 2018
Answer to Question 1

D

Answer to Question 2

In the densest clusters, collisions happen frequently, tearing off the spiral arms and dissipating their material into the intergalactic medium at high temperatures.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Fewer than 10% of babies are born on their exact due dates, 50% are born within 1 week of the due date, and 90% are born within 2 weeks of the date.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

A star-forming region in the Large Magellanic Cloud. A star-forming region in the Large Magellanic Cloud.
Parenteral medication administration. The angle of needle insertion for four different types of pare Parenteral medication administration. The angle of needle insertion for four different types of pare
A Star with Three Planets A Star with Three Planets
Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat Intramuscular drug administration: (c) the needle is inserted at a 90° angle: Source: Pearson Educat
A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan A passenger train crosses Stony Creek Bridge in the Rocky Mountains in 1878. Railroads were importan
If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ... If 0.40 mol of NaN3 reacts completely in the reaction shown below, then ________ L of N2 will ...
Video: Acid-base imbalances - metabolic acidosis and alkalosis

For a complete list of videos, visit our video library