of Contents

Lesson 1
Lesson 2
What is astronomy?
Lesson 3
How big is the universe?
Lesson 4
The origin of the universe
Lesson 5
Watching the sky
Lesson 6
Why did God created the heavenly bodies?
Lesson 7
Space exploration
Lesson 8
A Tour of the Solar System
Lesson 9
A Tour of the Solar System—The Sun and the Moon
Lesson 10
Stars and galaxies
Lesson 11
Cosmic Catastrophes
Lesson 12
Catastrophes in the Solar System
Lesson 13
Are there other planets in the Solar System?
Author: Dr. Jonathan Henry

For thousands of years, people have gazed at the night sky and the bright

morning and wondered, ‘What’s out there?’. Our universe is so vast and

awe-inspiring that to learn about it is to learn about ourselves. The

Astronomy Book will show you: 

What long-ago astronomers thought about other worlds

Solar system facts

How constellations relate to astrology

The history of space exploration

Whether black holes exist

The origin and age of the moon

Why Mars doesn’t support life

The composition of stars

Supernova remnants

The myth of star birth

Asteroid legends and the extinction of the dinosaurs

Whether planets outside our solar system could be home to intelligent life

What UFOs are

The age of comets and meteor showers

Hardcover. (Junior High–Adult) 80 pages.

The Astronomy Book
by Dr Jonathan Henry

Lesson 2

What is Astronomy?


The Astronomy Book


pp. 6-7


James 4:13-15
Psalm 143:8

Vocabulary Words:

  • Galaxy
  • Planet
  • Star


  1. Use the glossary (pp. 77-78) to define the vocabulary words.
  2. What is astronomy?
  3. From what language does the word ‘astronomy’ come? What does it mean?
  4. What is an astronomer?
  5. What is the difference between astronomy and astrology?
  6. What is the difference between a moon and a planet?
  7. How many planets are there in the Earth’s solar system?
  8. In what galaxy is Earth?


Have students make a model of the planets in our solar system. Various sized Styrofoam balls can be used for the planets and the Sun. This activity may take a few weeks to complete.