A spectrum with no breaks in it.

Dark spots on the surface of the Photosphere.

The layer of the Sun with sunspots.

The most abundant element in the Sun.

This object contains 99% of the mass in the solar system.

The three types of spectra.

Violent eruptions of particles and radiation from the surface of the Sun.

The outermost layer of the Sun.

The second most abundant element in the Sun.

The layer of the Sun between the Photosphere and the Corona.

A spectrum with bright lines at certain wavelengths.
Mostly black, with bright lines.

The splitting of atomic nuclei into smaller, lighter nuclei.

The innermost layer of the Sun's atmosphere.

This layer of the Sun is blocked during an eclipse.

The layer of the Sun between the Core and the Convection zone.

A spectrum caused by a non compressed gas.

An arc of gas ejected from the chromosphere.

These two layers of the Sun are only seen during an eclipse.

The state under which matter is composed only of atomic nuclei and electrons.

When plasma flows outward from the corona at high speeds.

A spectrum caused by a cooler gas in front of a source which emits a continuous spectrum.

The combination of lightweight atomic nuclei into heavier nuclei.

Fusion of hydrogen into helium occurs in this layer of the Sun.

The equation which Albert Einstein used to show that matter can be converted to energy.

The part of the Earth which keeps the majority of the energy from the Sun from reaching the ground.