Exploring the Sun

Front

Sun's Composition

Back

Hydrogen, Helium

Front

Core Temperature

Back

15 million °C

Front

Photosphere

Back

Visible surface

Front

Sunspots

Back

Cooler, dark areas

Front

Solar Flares

Back

Eruptions of energy

Front

Corona

Back

Outer atmosphere

Front

Nuclear Fusion

Back

Hydrogen to Helium

Front

Solar Wind

Back

Charged particles flow

Front

Sun's Age

Back

4.6 billion years

Front

Sun's Diameter

Back

1.39 million km