I WONDER - What is a Galaxy?

The video tutorial explains the composition of space systems, including stars, planets, and other celestial objects. It highlights how these components, along with the solar system, orbit around a central gravitational force in the galaxy.

What are the components that make up a galactic system?

• Only planets

• Stars, planets, and other space materials

• Stars and planets

• Only stars

Which of the following is not part of the space materials mentioned?

• Galaxies

• Asteroids

• Comets

• Satellites

What do all space materials, including the solar system, do in relation to a central gravitational source?

• They remain stationary

• They orbit around it

• They collide with it

• They move away from it

What is the central gravitational source that space materials orbit around?

• A black hole

• A distant planet

• The center of the Galaxy

• A nearby star

What is the role of gravity in the context of galactic systems?

• It destroys objects

• It has no effect

• It keeps objects in orbit

• It pushes objects away