Star properties

Front

What is the frequency of a long wavelength such as microwaves?

Back

Low frequency.

Front

What is the corona?

Back

Outermost layer of the sun that can be seen during a solar eclipse.

Front

What are intense explosions on the surface of the sun that send charged particles toward Earth?

Back

Solar flares.

Front

What is a star?

Back

A ball of hot gas, primarily hydrogen and helium, that undergoes nuclear fusion.

Front

If the wavelength of an electromagnetic wave is longer, what is true about the energy?

Back

Energy is lower.

Front

What is nuclear fusion?

Back

The process by which two light atomic nuclei combine to form a heavier nucleus, releasing energy.

Front

What are sunspots?

Back

Dark spots on the sun's surface caused by magnetic activity, which are cooler than the surrounding areas.

Front

What is a solar prominence?

Back

A large, bright feature extending outward from the sun's surface, often in a loop shape.

Front

What is the relationship between wavelength and frequency in electromagnetic waves?

Back

As wavelength increases, frequency decreases.

Front

What is the main component of stars?

Back

Hydrogen, which undergoes nuclear fusion to produce helium and energy.