Imaginary patterns of stars in the sky; usually named based on mythology

The apparent change in the frequency of a wave caused by relative motion between the source of the wave and the observer

Solar particles flowing out from the Sun regularly

The surface of the Sun is called

Cool regions of the Sun's surface

A bright, gaseous, and loop shaped feature that is anchored to the photosphere of the Sun

A large emission from the Sun which can affect technology on Earth

When a star is moving away from Earth, the wavelength of its light _________.

When a star is moving towards the Earth, the wavelength of its light

Most of the stars in the Hertzsprung-Russell Diagram are classified as which type of stars?

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