Compared to the underlying photosphere and chromosphere, the corona is __________ in temperature.
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The corona can only be glimpsed from Earth during a ________…
The corona can only be glimpsed from Earth during a __________ .
Which of these are not associated with the active Sun?
Which of these are not associated with the active Sun?
Pluto is most similar to
Pluto is most similar to
What natural barrier prevents two protons from colliding and…
What natural barrier prevents two protons from colliding and fusing?
Methane drives the weather of Titan, for there it can be liq…
Methane drives the weather of Titan, for there it can be liquid, solid, or gas.
Unlike the nuclear reactions in the Sun, everyday chemical r…
Unlike the nuclear reactions in the Sun, everyday chemical reactions involve only the electromagnetic forces.
The diameter of the Sun is about 100 times the diameter of t…
The diameter of the Sun is about 100 times the diameter of the Earth, and large sunspots are larger than our whole planet.
The solar winds blow outward from:
The solar winds blow outward from:
The proton storms in the solar wind travel at almost the spe…
The proton storms in the solar wind travel at almost the speed of light.