![](../_src/14187/icon-ikari-blue.png?v=1695714982952)
Lesson 2|Intermediate
In this lesson you will learn what are interacting galaxies. (1 slide)
![Lesson 2 Interacting Galaxies](../_src/14189/2.png?v=1695714982952)
Practice
![Captain of GALAXY CRUISE](../_src/14193/you_did_it_redraw_20190719104522971.png?v=1695714982952)
![](../_src/14191/checkbox.png?v=1695714982952)
Check your understanding with the following quiz.
【Intermediate|Q1】 Is this galaxy interacting?
![a galaxy](../_src/14195/training2_question1.crop.png?v=1695714982952)
Select the best answer.
Correct!
![Happy face of Captain](../_src/14197/150_correct.png?v=1695714982952)
Tail-like features and extended features are seen.
Incorrect.
![Sad face of Captain](../_src/14199/150_wrong.png?v=1695714982952)
Sorry. Please try again.
【Intermediate|Q2】 Is this galaxy interacting?
![a galaxy](../_src/14203/training2_question2.crop.png?v=1695714982952)
Select the best answer.
Incorrect.
![Sad face of Captain](../_src/14207/150_wrong.png?v=1695714982952)
Sorry. Please try again.
Correct!
![Happy face of Captain](../_src/14205/150_correct.png?v=1695714982952)
This is a spiral galaxy seen at an angle.
【Intermediate|Q3】 Is this galaxy interacting?
![a galaxy](../_src/14211/training2_question3.crop.png?v=1695714982952)
Select the best answer.
Correct!
![Happy face of Captain](../_src/14213/150_correct.png?v=1695714982952)
The spiral arms are pulled out to the left and the upper right of the spiral galaxy. Faint structures are also seen on the right and the lower right.
Incorrect.
![Sad face of Captain](../_src/14215/150_wrong.png?v=1695714982952)
Sorry. Please try again.
【Intermediate|Q4】 Is this galaxy interacting?
![a galaxy](../_src/14219/training2_question4.crop.png?v=1695714982952)
Select the best answer.
Incorrect.
![Sad face of Captain](../_src/14223/150_wrong.png?v=1695714982952)
Sorry. Please try again.
Correct!
![Happy face of Captain](../_src/14221/150_correct.png?v=1695714982952)
This is a top (face-on) view of a spiral galaxy. You can see symmetrical spiral arms.
【Intermediate|Q5】 Is this galaxy interacting?
![a galaxy](../_src/14227/15_s2q5.crop.png?v=1695714982952)
Select the best answer.
Correct!
![Happy face of Captain](../_src/14229/150_correct.png?v=1695714982952)
Tail-like features are seen in the lower right of the galaxy. Faint structures are also seen in the upper right and left.
Incorrect.
![Sad face of Captain](../_src/14231/150_wrong.png?v=1695714982952)
Sorry. Please try again.