For a few hours, some satellites experienced electrical failure and at the same time, radio communications at high latitudes were also disrupted. Which is an astronomer most likely to predict was the cause?(1 point)

a geomagnetic storm

What is the irradiance of the sun dependent on?(1 point)

Responses

the density of particles in the solar wind
the density of particles in the solar wind

the number of sunspots
the number of sunspots

the wavelength of the radiant energy it emits
the wavelength of the radiant energy it emits

the energetic solar wind particles

the wavelength of the radiant energy it emits

Which do solar flares and coronal mass ejections have in common? Select the two correct responses.(1 point)

Responses

They tend to occur during minimum points in the solar cycle.
They tend to occur during minimum points in the solar cycle.

They appear as dark spots on the sun's surface.
They appear as dark spots on the sun's surface.

They are caused by the sun's changing magnetic field.
They are caused by the sun's changing magnetic field.

They are explosive events that can affect Earth.

They are caused by the sun's changing magnetic field.

They are explosive events that can affect Earth.

Select the correct answer from the list.(2 points)

Based on
data and
data, scientists think that solar weather has
effect on terrestrial weather.

Based on data and evidence, scientists think that solar weather has an effect on terrestrial weather.