Galaxy flashcard

Front

What is a galaxy?

Back

A huge group of stars, dust, gas, and other objects bound together by gravity.

Front

What is the distance of the solar system from the center of the Milky Way galaxy?

Back

About 26,000 light years.

Front

In which galaxy is Earth located?

Back

Milky Way.

Front

What type of galaxy is characterized by a spiraling structure?

Back

Spiral galaxy.

Front

Which galaxy contains the sun and its solar system?

Back

Milky Way.

Front

What is the center of a galaxy?

Back

The central region where a supermassive black hole is often found.

Front

What are the main components of a galaxy?

Back

Stars, gas, dust, dark matter, and sometimes planets.

Front

What is a nebula?

Back

A giant cloud of gas and dust in space, often the birthplace of stars.

Front

What is the difference between a spiral galaxy and an elliptical galaxy?

Back

Spiral galaxies have a flat, rotating disk with arms, while elliptical galaxies are more rounded and lack distinct features.

Front

What is dark matter?

Back

A form of matter that does not emit light or energy, making it invisible, but it exerts gravitational effects.