Voyager 2 detects high temperatures and gaps in the heliopause sphere: NASA

Voyager 2 detects high temperatures and gaps in the heliopause sphere: NASA

Assessment

Interactive Video

Science, Physics, Other

11th Grade - University

Hard

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The video discusses the discovery of a fiery plasma wall in the heliopause, where solar winds from the Sun clash with cosmic rays, forming a protective barrier for the solar system. Voyager One failed to detect this wall due to sensor malfunctions, but Voyager Two found holes and higher temperatures than expected. The Sun's energies charge particles into an ionized plasma state, creating solar winds and the heliopause.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of the plasma wall in the heliopause?

It absorbs solar energy.

It enhances the solar winds.

It attracts cosmic rays.

It repulses and weakens cosmic rays.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why was Voyager One unable to detect the plasma wall?

It was on a different mission.

Its sensors malfunctioned.

It was too far from the heliopause.

It was not designed to detect plasma.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What unexpected findings did Voyager 2 report?

Lower temperatures than expected.

No holes in the protective shell.

Temperatures twice as high as predicted.

A stronger protective barrier.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do the sun's energies affect particles?

They neutralize them.

They charge them into an ionized plasma state.

They make them invisible.

They slow them down.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What do solar winds consist of?

Magnetic fields.

Cosmic rays.

Ionized plasma particles.

Neutral particles.