Planet X Discovered?? + Challenge Winners!

Planet X Discovered?? + Challenge Winners!

Assessment

Interactive Video

Physics, Science

11th Grade - University

Hard

Created by

Quizizz Content

FREE Resource

The video explores the possibility of a new planet beyond the Kuiper Belt, driven by the work of Caltech scientists Mike Brown and Konstantin Batajan. They suggest a massive planet could be influencing the orbits of distant objects. The video also delves into the relativistic Doppler effect and its impact on perceived time, using a photon clock challenge to illustrate these concepts. Observations of quasar jets and supernovae demonstrate these relativistic effects in the universe. The episode concludes with a discussion on viewer participation and rewards.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main reason for the demotion of Pluto to a dwarf planet?

Its orbit is too close to the Sun.

It is smaller than the Moon.

Discovery of other similar-sized objects in the Kuiper Belt.

It has no atmosphere.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What did Brown and Batajan's simulations suggest about the hypothetical planet?

It has a circular orbit.

It is smaller than Earth.

It has a mass over 10 times that of Earth.

It is located within the Kuiper Belt.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What effect does the relativistic Doppler effect have on light?

It increases the intensity of light.

It alters the color of light.

It changes the speed of light.

It makes light invisible.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does the relativistic Doppler effect influence the tick rate of a clock moving towards an observer?

The tick rate appears faster.

The clock stops ticking.

The tick rate remains unchanged.

The tick rate appears slower.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What mathematical factor is used to describe time dilation?

The Doppler factor.

The Lorentz factor.

The Einstein factor.

The Newton factor.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the observed tick rate of a receding clock due to the Doppler effect?

It appears faster.

It appears slower.

It remains the same.

It stops completely.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which astronomical phenomenon is used as an example of the relativistic Doppler effect?

Black holes.

Quasar jets.

Asteroids.

Comets.