Galaxies and Distances in Space

Front

What type of galaxy spins and has spiral arms extending outward from the center?

Back

Spiral galaxy

Front

Which galaxy contains the Earth and most of the visible night sky?

Back

Milky Way galaxy

Front

What are the inner planets primarily made of?

Back

Rocky materials

Front

What is the reason we say we are looking into the past when observing the Sun?

Back

Because it takes time for light to travel from the Sun to Earth.

Front

What is the term for the Sun and all the celestial bodies that orbit around it?

Back

The solar system

Front

What type of galaxy is characterized by a smooth, featureless light profile and is often shaped like an ellipse?

Back

Elliptical galaxy

Front

What is the name of the closest galaxy to the Milky Way?

Back

Andromeda galaxy

Front

What are gas giants, and can you name two examples?

Back

Gas giants are large planets with thick atmospheres, examples include Jupiter and Saturn.

Front

What is the main difference between inner planets and outer planets?

Back

Inner planets are rocky and smaller, while outer planets are gas giants and larger.

Front

What is the significance of light years in measuring distances in space?

Back

A light year is the distance light travels in one year, used to measure vast distances in space.