Unit 8- Astronomical Hierarchy

Front

What is gravitational pull?

Back

Gravitational pull is the force that attracts two bodies towards each other, depending on their masses and the distance between them.

Front

How does the size of a planet affect its gravitational pull?

Back

Larger planets have stronger gravitational pull, affecting nearby objects.

Front

What is the hierarchical relationship between a planet and a galaxy?

Back

A planet is part of a solar system, which is part of a galaxy.

Front

What is a solar system?

Back

A solar system is a collection of planets and other celestial bodies that orbit a star.

Front

What is a galaxy?

Back

A galaxy is a massive system that contains stars, star clusters, planetary systems, and interstellar gas and dust.

Front

How does distance from the Sun affect a planet's climate?

Back

Planets farther from the Sun generally have colder climates due to less solar energy.

Front

What is a light year?

Back

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

Front

Why do we use light years to measure distances in space?

Back

To understand the enormous distances between objects in space.

Front

How many stars are typically found in a galaxy?

Back

Each galaxy contains many billions of stars.

Front

How many galaxies are there in the universe?

Back

There are many billions of galaxies in the universe.