Our Sun

Front

What is the core of the sun?

Back

The innermost layer of the sun where nuclear fusion occurs.

Front

What is nuclear fusion?

Back

The process of joining hydrogen atoms to form helium, releasing energy.

Front

How long does it take for photons to pass through the radiative zone of the sun?

Back

About 100,000 years.

Front

What are sunspots?

Back

Areas on the sun's surface that are cooler and appear darker.

Front

What is a solar flare?

Back

An explosion that occurs when loops in sunspot regions suddenly connect.

Front

What is the corona?

Back

The outermost layer of the sun's atmosphere, visible during a solar eclipse.

Front

What is the chromosphere?

Back

A layer of the sun's atmosphere located above the photosphere and below the corona.

Front

What is the photosphere?

Back

The visible surface of the sun that emits light.

Front

What is a solar prominence?

Back

A large, bright feature extending outward from the sun's surface, often associated with sunspots.

Front

What is the solar wind?

Back

A stream of charged particles released from the sun's atmosphere.