The Sun's Center Is 39,000 Years Younger Than Its Surface

The Sun's Center Is 39,000 Years Younger Than Its Surface

Assessment

Interactive Video

Physics, Science

11th Grade - University

Hard

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The video discusses a claim by physicist Richard Feynman that the Earth's center is younger than its surface due to general relativity. Danish physicists later corrected this, finding the center is 2.5 years younger, not a day or two. The video explains general relativity, time dilation, and how mass affects space-time. It highlights the importance of questioning scientific claims, as shown by the correction of Feynman's error.

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the initial claim made by Feynman about the Earth's center?

It is 2.5 years older than the surface.

It is a day or two younger than the surface.

It is 39,000 years younger than the surface.

It is a day or two older than the surface.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What fundamental concept does general relativity rely on?

The speed of sound is constant.

The speed of light is constant.

The mass of objects is constant.

The temperature of space is constant.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does relativity affect time for objects moving at high speeds?

Time stops completely for them.

Time passes more slowly for them.

Time remains unchanged for them.

Time passes more quickly for them.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do GPS satellites need to account for relativity?

They are closer to the Earth's center.

They are farther from the Earth's center.

They are affected by the Earth's temperature.

They move at the speed of light.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What was the corrected age difference between the Earth's center and its surface?

2.5 years younger

4.5 years younger

1.5 years younger

3.5 years younger

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How much younger is the center of the Sun compared to its surface?

19,000 years

9,000 years

29,000 years

39,000 years

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What lesson does the correction of Feynman's statement teach us about scientific inquiry?

Ignore mathematical errors.

Rely on historical data.

Always trust established facts.

Question everything.