Exploring the Mystery of Planet 9

Exploring the Mystery of Planet 9

Assessment

Interactive Video

Science

9th - 10th Grade

Hard

Created by

Jennifer Brown

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What initially led astronomers to suspect the existence of a ninth planet?

The discovery of a new star

A new theory about black holes

Unusual movements in the Kuiper Belt

Changes in the Sun's orbit

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary composition of the Kuiper Belt?

Rocky asteroids

Icy asteroids

Gaseous clouds

Metallic debris

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the primary goal of Mike Brown and Constantine's computer simulations?

To find new stars

To predict the orbits of Kuiper Belt objects

To measure the size of the Sun

To calculate the distance to Mars

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of the object 2012 DR30 in the study of Planet 9?

It is a newly discovered planet

It has an orbit that matches predictions

It is the largest object in the Kuiper Belt

It is a comet heading towards Earth

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the reaction when the simulation results matched the observational data?

Disappointment

Excitement and realization

Skepticism

Indifference

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the estimated mass of Planet 9 compared to Earth?

Similar to Earth's mass

Twice the mass of Earth

Ten times the mass of Earth

Half the mass of Earth

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why is it challenging to observe Planet 9 directly?

It is too close to the Sun

It is incredibly faint and far away

It moves too quickly

It is hidden behind another planet

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