The Sun

Front

What is the photosphere?

Back

The visible layer of the sun emitting light we see; it is the lowest layer of the sun's atmosphere.

Front

What are the main components of the Sun?

Back

The Sun is primarily made of hydrogen and helium.

Front

What are sunspots?

Back

Magnetic areas on the sun's surface that appear darker because they are at a lower temperature than surrounding areas.

Front

Why do scientists study sunspots?

Back

To learn how changes in solar activity affect Earth.

Front

What are solar flares?

Back

Bursts of energy that flash off the sun's surface.

Front

What is the core of the Sun?

Back

The hottest part of the Sun, where nuclear fusion occurs, producing energy.

Front

What is nuclear fusion?

Back

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

Front

What is the significance of the Sun's energy?

Back

It is essential for life on Earth, providing warmth and energy for photosynthesis.

Front

What is the solar atmosphere?

Back

The layers surrounding the Sun, including the photosphere, chromosphere, and corona.

Front

What is the chromosphere?

Back

The layer of the Sun's atmosphere above the photosphere, visible during solar eclipses.