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Astronomers can use ____ to measure magnetic fields on the sun.

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Astronomers can use ____ to measure magnetic fields on the sun.

Astronomers can use ____ to measure magnetic fields on the sun.

a. helioseismology
b. perchloroethylene (C2Cl4)
c. neutrino detectors
d. a magnetic carpet
e. the Zeeman effect

Question 2

Planetary nebulae are sites of planet formation.

Indicate whether the statement is true or false

Question 3

____ about 130 km above Earth's surface near the polar regions when energy in the solar wind guided by Earth's magnetic field excites gases in the upper atmosphere.

a. Coronas occur
b. Flares occur
c. Auroras occur
d. Coronal holes occur
e. Nuclear fission occurs

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mas0375

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riiiiooottt Author

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All were right, you're seriously the best

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