Components of the Universe

Front

What is the nearest star to Earth?

Back

The Sun.

Front

What type of galaxy is characterized by a flat, rotating disk containing stars, gas, and dust, and a central concentration of stars known as the bulge?

Back

Spiral galaxy.

Front

What type of galaxy has an oval shape and lacks the distinct features of spiral galaxies?

Back

Elliptical galaxy.

Front

What is a large cloud of gas and dust in interstellar space where stars are formed called?

Back

Nebula.

Front

What type of galaxy is irregular in shape and does not fit into the other categories?

Back

Irregular galaxy.

Front

What is the term for a massive object in space that has a gravitational pull so strong that nothing, not even light, can escape from it?

Back

Black hole.

Front

What is the name of the galaxy that contains our solar system?

Back

The Milky Way.

Front

What is the term for a group of stars that form a recognizable pattern in the night sky?

Back

Constellation.

Front

What is the process by which stars are formed from clouds of gas and dust?

Back

Star formation.

Front

What is the term for the distance light travels in one year?

Back

Light year.