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

Author Question: Astronomers believe that a spiral galaxy may form A) from a collision between a small and large ... (Read 81 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
Astronomers believe that a spiral galaxy may form
 
  A) from a collision between a small and large galaxy.
  B) due to a quasar shutting down.
  C) from the sudden contraction of an elliptical galaxy.
  D) from the collision of two giant elliptical galaxies.
  E) from the explosion of a dwarf irregular galaxy.

Question 2

The center of mass of a binary star system is
 
  A) the center of the most massive of the two stars.
  B) the center of the least massive of the two stars.
  C) the point halfway in between them.
  D) the point at which the two objects would balance if they were somehow connected.
  E) the average mass of the two stars.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

CAPTAINAMERICA

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

A

Answer to Question 2

D




Pineappleeh

  • Member
  • Posts: 585
Reply 2 on: Jul 27, 2018
:D TYSM


hollysheppard095

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

For a complete list of videos, visit our video library