CAIE IGCSE Physics 6.2.1 The Sun As a Star Topic Practice

In which regions of the electromagnetic spectrum does the Sun radiate most of its energy?

The Milky Way is one of many billions of galaxies. Each galaxy contains many billions of stable stars.

Stable stars transfer energy into space by emitting electromagnetic radiation from their surfaces.

Describe what happens in the core of a stable star to release energy that is eventually transferred into space.

The Sun is one of many billions of stars in the Milky Way. The Sun emits a very large quantity of energy as electromagnetic radiation.

State the three regions of the electromagnetic spectrum in which the Sun emits the most energy.

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