NASA | IRIS: A Slice of Light

NASA | IRIS: A Slice of Light

Assessment

Interactive Video

Physics, Science

5th - 12th Grade

Hard

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The video tutorial discusses NASA's Iris, a spectrograph that provides detailed images of the sun's chromosphere. It explains how Iris captures spectra by splitting light into discrete wavelengths, allowing scientists to measure temperature, velocity, and density of solar material. This data helps in understanding solar eruptions.

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5 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of the chromosphere in the sun's atmosphere?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What kind of data does Iris provide, and why is it important?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain the process of how a spectrograph splits light into discrete wavelengths.

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What measurements can scientists make using the data from Iris?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

How does the Iris instrument contribute to our understanding of solar eruptions?

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