Unit 3 Flashcards

1
Q

________ rotation is when material closer to the Sun’s ________ spins faster than material farther away.

A

Differential, equator

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2
Q

Another name for a hydrogen nucleus is a(n) _____.

A

proton

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3
Q

What does spectroscopy reveal about objects under investigation?

A

all of these except whether the object is ionized

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4
Q

A(n) _____ spectrum indicated the presence of the heat needed to vaporize elements.

A

emission

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5
Q

The absence of bright-line spectra indicate _____ temperatures.

A

cool or cold

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6
Q

The _____ is the Sun’s glowing disk, or “light globe.”

A

photosphere

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7
Q

The Sun has a(n) _____-year magnetic cycle.

A

22

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8
Q

When _____ occurs, an electron leaves the atom entirely.

A

ionization

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9
Q

When two helium-3 nuclei unite, a light form of a(n) _____ nucleus is produced.

A

beryllium

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10
Q

Solar turbulence is produced by a process called _____.

A

convection

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11
Q

The nuclear reaction where lighter atoms are bonded together with heavier atoms is called _____.

A

fusion

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12
Q

In a(n) _____ spectrum, some wavelengths are missing.

A

dark-line

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13
Q

_____ forms when a deuteron captures a third proton.

A

Helium-3

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14
Q

The presence of _____ in the photosphere shows the sun to be turbulent.

A

granules

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15
Q

In a(n) _____ spectrum, only certain distinct wavelengths are present.

A

bright-line

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16
Q

The process by which heat and light reach from the Sun to Earth is called _____.

A

radiation

17
Q

A deuteron becomes a heavy _____ nucleus.

A

hydrogen

18
Q

_____ lines in a spectrum that are thicker than normal indicate a magnetic field.

A

Dark

19
Q

Ultraviolet and x-ray radiation, together with high-speed electrons, that escapes the Sun is called _____.

A

solar winds

20
Q

The normal atomic state is to be electrically _____.

A

neutral

21
Q

Granules last up to _____ minutes , while sunspots can last for months.

A

eight

22
Q

Sunspots begin to emerge between _____ degrees.

A

30-35

23
Q

The _____ spectrum is an unbroken array of all colors.

A

continuous