Stars and Galaxies

Front

Star systems with 2 stars are called ______ systems.

Back

Binary systems are star systems that consist of two stars orbiting around a common center of mass.

Front

Our sun is a _______ massed star.

Back

The sun is classified as a medium massed star, which is typical for many stars in the universe.

Front

This type of galaxy has no defined pattern or shape.

Back

Irregular galaxies are those that do not have a distinct shape or structure, often appearing chaotic.

Front

Which of the choices correctly lists the stages of a star at the end of its life?

Back

The stages of a star's life at the end include: red giant, planetary nebula, white dwarf.

Front

All stars are formed from the same _____ at the same time.

Back

All stars are formed from a nebula, which is a large cloud of gas and dust in space.

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 is a galaxy?

Back

A galaxy is a massive system that contains stars, star clusters, dust, gas, and dark matter, bound together by gravity.

Front

What are the three main types of galaxies?

Back

The three main types of galaxies are spiral, elliptical, and irregular.

Front

What is a supernova?

Back

A supernova is a powerful explosion that occurs at the end of a star's life cycle, often resulting in the star's destruction.

Front

What is a white dwarf?

Back

A white dwarf is the remnant core of a star that has exhausted its nuclear fuel and shed its outer layers.