Ch 42: Space Exploration & Technology

About This Chapter

Study space exploration and technology with this comprehensive collection of science lessons. Inside you'll find lessons that examine topics such as telescopes, satellites, space missions and life on other planets.

Space Exploration & Technology - Chapter Summary

This science chapter helps you review space exploration and technology. With short and fun video and text lessons, you'll look at concepts such as remote sensing, telescopes, satellites, space probes and more. Our instructors also educate you on Hubble Space Telescope discoveries , as well as the likelihood of life on other planets. The chapter also examines space missions and interferometry. By the end of the chapter, you should be able to:

  • Explain remote sensing
  • Identify types of radio telescopes and interferometry
  • Summarize the history of the Hubble Space Telescope
  • Understand the uses of satellites
  • Explain the uses of and name some noteworthy space probes
  • Understand the conditions that make life on other planet possible
  • Compare the advantages and disadvantages of different types of space missions

This study resource offers a fast an efficient method for reviewing space exploration topics. Our expert instructors designed each lesson to be simple, straightforward and engaging, which simplifies the learning process and makes it more enjoyable. Make sure you fully understand space exploration concepts and definitions by taking our self-assessment quizzes or printing the text transcripts. If a specific concept is unclear, you can always jump back to the topic by using the convenient video timeline or contact our instructors.

7 Lessons in Chapter 42: Space Exploration & Technology
Test your knowledge with a 30-question chapter practice test
What Is Remote Sensing?

1. What Is Remote Sensing?

After watching this video, you will be able to explain what remote sensing is, how it is used in geography, and give examples of remote sensing. A short quiz will follow.

Radio Telescopes & Interferometry

2. Radio Telescopes & Interferometry

This lesson will go over some key concepts related to radio astronomy. We'll cover what radio telescopes are, the basics of how they function, and what their disadvantages are compared to optical telescopes and how this is resolved.

Hubble Space Telescope: History, Facts & Discoveries

3. Hubble Space Telescope: History, Facts & Discoveries

The Hubble Space Telescope was launched into orbit in 1990 to observe stellar objects. It has gathered spectacular images and helped advance knowledge in all aspects of cosmology. This lesson will cover information about the Hubble Space Telescope.

Satellite: Definition & Uses

4. Satellite: Definition & Uses

In this lesson, you will learn what a satellite is, the distinction between natural and artificial satellites, and some of their practical uses. A short quiz will follow.

Space Probe: Definition & Facts

5. Space Probe: Definition & Facts

For hundreds of years, astronomers had only the telescope to study stars and planets. Modern scientists have come a long way since then, with the invention of the space probe. In this lesson, we will learn what a space probe is as well as highlight a few noteworthy probes.

Is There Life on Other Planets?

6. Is There Life on Other Planets?

This lesson will explore the places and conditions in our solar system and beyond that may make life possible. We'll discuss extremophiles, the habitable zone, Mars, and Europa.

Space Mission Types: Advantages & Disadvantages

7. Space Mission Types: Advantages & Disadvantages

This lesson will go over four different types of space missions scientists have conducted, including flyby, orbiter, rover, and human space explorations.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

Earning College Credit

Did you know… We have over 200 college courses that prepare you to earn credit by exam that is accepted by over 1,500 colleges and universities. You can test out of the first two years of college and save thousands off your degree. Anyone can earn credit-by-exam regardless of age or education level.

To learn more, visit our Earning Credit Page

Transferring credit to the school of your choice

Not sure what college you want to attend yet? has thousands of articles about every imaginable degree, area of study and career path that can help you find the school that's right for you.

Other Chapters

Other chapters within the Pennsylvania Grades 4-8 - Science Subject Concentration (5159): Practice & Study Guide course