Lesson 3｜Advanced
In this lesson you will learn more about the features of interacting galaxies such as rings and fans. (3 slides)
Practice
Check your understanding with the following quiz.
【Advanced｜Q1】Look at the image carefully and answer the following two questions.
1-1 Classify the following galaxy.
Are you sure?
Please try again.
Are you sure?
Please try again.
Right! This is not an obvious case.
It is not clear whether this galaxy is elliptical or spiral.
1-2 What feature(s) do you see?
Correct!
A vertical ring can be seen.
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
【Advanced｜Q2】Look at the image carefully and answer the following two questions.
2-1 Classify the following galaxy.
Correct!
This galaxy does not have any spiral galaxy characteristics (flat disk or spirals).
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
2-2 What feature(s) do you see?
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
Correct!
The tail can be seen in the lower left.
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
【Advanced｜Q3】Look at the image carefully and answer the following two questions.
3-1 Classify the following galaxy.
Incorrect.
Sorry. Please try again.
Correct!
Incorrect.
Sorry. Please try again.
3-2 What feature(s) do you see?
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
Correct!
The symmetrical spiral arms can be seen and there are no features suggesting interaction.
【Advanced｜Q4】Look at the image carefully and answer the following two questions about the galaxy in the center.
4-1 Classify the following galaxy.
Incorrect.
Sorry. Please try again.
Correct!
Clockwise spiral arms can be seen.
Incorrect.
Sorry. Please try again.
4-2 What feature(s) do you see?
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
Correct!
The part indicated by the arrow is elongated due to the gravity of the galaxy to the right.
Incorrect.
Sorry. Please try again.
【Advanced｜Q5】Look at the image carefully and answer the following two questions.
5-1 Classify the following galaxy.
Correct!
Spiral arms cannot be seen.
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
5-2 What feature(s) do you see?
Incorrect.
Sorry. Please try again.
Correct!
Multiple fans can be seen.
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
One more quiz to complete your training.
The final question
【Final】Look at the image carefully and answer the following two questions.
Classify the following galaxy.
Are you sure?
Sorry. Please try again.
Are you sure?
Sorry. Please try again.
Right! This is not an obvious case.
It is not clear whether this galaxy is elliptical or spiral.
What feature(s) do you see?
Incorrect.
Sorry. Please try again.
Incorrect.
Sorry. Please try again.
Correct!
Multiple tails can be seen. This interacting galaxy has two features: tails and one other. Try to find the other correct answer.
Like this galaxy, interacting galaxies sometimes have two or more features.
Correct!
Distortion can be seen. This interacting galaxy has two features: distortion and one other. Try to find the other correct answer.
Like this galaxy, interacting galaxies sometimes have two or more features.
Incorrect.
Sorry. Please try again.
Training completed!
After you've passed all of the training sessions:
Introductory, Intermediate, and Advanced,
click the button below.
Thank you for your hard work! (But now the REAL work starts.)
