galaxies, stars, planets review

Front

As you move to the left on the electromagnetic spectrum chart, what happens to the wavelengths?

Back

The wavelengths decrease.

Front

What is nuclear fusion in stars?

Back

Nuclear fusion is the process by which stars create energy by fusing hydrogen atoms to form helium.

Front

What galaxy is Earth a part of?

Back

Earth is part of the Milky Way galaxy.

Front

Where does star formation begin?

Back

Star formation begins in a nebula.

Front

Which planets are classified as gas giants?

Back

Jupiter, Saturn, Uranus, and Neptune are considered gas giants.

Front

What is the primary element involved in the fusion process of stars?

Back

Hydrogen is the primary element involved in the fusion process of stars.

Front

What is a nebula?

Back

A nebula is a giant cloud of dust and gas in space, where new stars are born.

Front

What are the main characteristics of a white dwarf?

Back

A white dwarf is a small, dense star that is the remnant of a red giant after it has shed its outer layers.

Front

What is the difference between a planet and a star?

Back

A planet orbits a star and does not produce its own light, while a star generates energy through nuclear fusion.

Front

What is the significance of the electromagnetic spectrum in astronomy?

Back

The electromagnetic spectrum helps astronomers understand the properties of celestial objects based on the light they emit.