- Course type: Self-paced
- Available Lessons: 325
- Average Lesson Length: 8 min
Eligible for Certificate:
Certificates show that you have completed the course. They do not provide credit.
Watch a preview:chapter 1 / lesson 1The Scientific Field of Astronomy
Course SummaryAn Introduction to Astronomy Certificate is just a few short weeks away with this fun course. By simply watching our video lessons and taking our quizzes, you'll earn a certificate you can use to boost your online job profile and show prospective employers your interest in this field.
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Course Practice TestCheck your knowledge of this course with a 50-question practice test.
- Comprehensive test covering all topics
- Detailed video explanations for wrong answers
About This Course
Earn an Astronomy Certificate by spending about two weeks watching video lessons that use on-screen graphics and engaging animations to teach you fundamental concepts in astronomy. You'll learn how to determine the acceleration of an object and the kinetic energy of a rotating disk and falling mass.
Who's This For?
Teachers, researchers and writers can use this course to refresh their knowledge of astronomy concepts, and it might also be useful for those who work in museums or hold related consulting, sales, data science or government positions.
Prerequisites aren't needed for this course, but you'll likely benefit from basic algebra skills.
Benefits of the Certificate
No matter what your purpose is for taking this course, you'll find that a variety of benefits can result from earning this certificate. Some ideas include:
- Adding this certificate to your online profile to show potential and current employers your mastery of essential astronomy concepts if you work or want to work in a related field
- Using this course to meet continuing education requirements
- Fulfilling your personal interest in astronomy
- Acquiring skills to change careers or enhance your current role
Astronomy Program Breakdown
The History of Astronomy
Start this course by finding out why ancient cultures studied astronomy then get an overview of some basic concepts like name origins of constellations, Tyco Brahe's contributions to the field, Galileo, the telescope and Newton.
How Scientists Think and Work
Explore different types of scientific research methods in this chapter, which also covers the nature of science, deductive and inductive reasoning and research variables.
Matter, Energy, and Astronomy
This chapter teaches you about properties and states of matter, the atom, elements and the periodic table. You'll learn about radiation and heat, quantum mechanics and atomic spectra.
Light in Astronomy
Study the nature of light in this chapter and learn about electromagnetic waves, reflection, refraction and diffraction. You'll also discuss spectra images, properties of stars and the speed of light.
Newton's Laws in Astronomy
This chapter is all about Newton's three laws and how they're used to understand weight, mass and gravity concepts. You'll explore force, velocity and motion as well as friction.
Laws of Gravitation
This chapter teaches you about Kepler's laws of planetary motion and Newton's law of gravitation. You'll learn about gravitational attraction and potential energy.
Orbits, Tides, and Gravity
Learn about the effects of gravity and tidal friction and how energy affects orbits in this chapter, which also teaches you how to calculate speeds of orbiting objects and time of flight in free fall.
Relativity in Time and Space
This chapter covers classical relativity, time dilation, space contraction, and general and special relativity. You'll also find out how mass and energy are interchangeable.
Different types of motion are addressed in this chapter, including translational motion and rolling motion. You'll study momentum, kinetic energy of rotation, torque and equilibrium.
Conservation Laws in Astronomy
Learn about different conservation laws in this chapter, which also covers different energy types, temperature conversions from Kelvin to Celsius and the relationship between heat and energy.
Earth's Spheres and Astronomy
Explore the forces that shape the earth's surface, four spheres of the earth and internal layers in this chapter. Learn how scientists study the interior of the earth and what astronomical influences have an impact on Earth's climate.
The Earth, Sky, and Moon
You'll study features of the local sky and find out how the sky changes with longitude and latitude. This chapter also teaches you how to measure objects in the sky and estimate size of astronomical objects. Other topics include moon formation theories, lunar geology, moon phases and solar eclipses.
The Atmosphere on Earth and Other Planets
This chapter looks at the structure and components of the atmosphere on Earth, Venus, Mercury and Mars. You'll learn how to describe atmospheric pressure and convert units of pressure.
Influences on Climate
Learn about weather variables, climate classifications and factors that influence climate change in this chapter. You'll study natural factors, global warming, greenhouse gases and ozone depletion.
The Sun and Energy
This chapter introduces you to the structure of the sun and stages of its life cycle. You'll learn about nuclear fusion, the ideal gas law and gas constant as well as find out how energy is generated through gravitational contradiction.
Star Types and Significance
In this chapter, examine the different types of stars and star clusters. You'll also study a main sequence star and binary stars.
Measurement of Star Qualities
Learn how to find the size of a star and measure the distance to a star in this chapter, which also describes star brightness and temperature, the Doppler Effect and forces that keep stars in stable equilibrium.
The Birth and Life of Stars
This chapter teaches you about interstellar medium, types of nebulae, protostellar disks and star formation. You'll learn how main sequence, dwarf and giant stars are formed.
Star Death and Stellar Remnants
Through this chapter, understand the life cycles of supernova, supergiant and neutron stars and find out how stars die. You'll look at black holes, helium fusion, pulsars and gamma-ray bursts.
The Solar System: Layout, Formation, and Dating
Find out how planets and the solar system were formed in this chapter, which discusses Solar Nebula Theory, Nebular Theory and methods for determining the age of the solar system, such as radioactive dating.
The Solar System: Components & Characteristics
This chapter explores the outer and inner planets of the solar system, planetary evolution, Earth's formation and moons of various planets. You'll also study asteroids, shooting stars and dwarf planets.
In this chapter, you'll learn about the shape and location of the solar system and structure and components of the galaxy. You'll get info on galaxy formation and types, Hubble's Law, dark matter and supermassive black holes.
Life & The Universe
Understand the differences between the universe, galaxy and solar system in this chapter, which also introduces the Big Bang Theory, timescales in the universe, nature of life and the history of life on Earth.
Celestial Navigation & Timekeeping
Learn the differences between apparent solar time and mean solar time then study origins of calendars, objects on the celestial sphere, Tropics of Cancer and Capricorn, and global positioning systems.
Close out your course with a look at the properties of a telescope, types of telescopes and astronomical observation categories.
Earning College Credit
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