• The Open University

In the Night Sky: Orion

Explore the night sky, discover how stars are formed and find out about exoplanets, all through the constellation of Orion.

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Image of the Orion star in the night sky
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From the basics of astronomy to the science behind the birth of a star, this course will change the way you see the night sky.

Starting with Orion’s famous nebula, where new stars and planets are formed, you’ll take a look at the seven brightest stars that make up this constellation using high-quality images from telescopes such as the Hubble Space Telescope.

You’ll find out about exoplanets, which may hold the secrets to life outside of the solar system, the galaxy Milky Way, of which our solar system is but one small part and the history of the universe from the Big Bang to the present.


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What topics will you cover?

  • Find the constellation of Orion in the night sky
  • Learn all about the legend of Orion
  • Discover how the constellations were used for navigation
  • Discover the amazing process that causes stars to form
  • Find out what happens to different stars over their lifetime
  • Learn what happens when stars run out of fuel
  • Find out what the night sky can reveal about the Big Bang theory
  • Get involved with classifying galaxies into different shapes
  • Take a tour of space through the PIRATE telescope
  • Find out what is important about the Earth’s position
  • Discuss whether you think there are other planets just like ours
  • Find out about The Open University’s project to map the stars

When would you like to start?

Start straight away and join a global classroom of learners. If the course hasn’t started yet you’ll see the future date listed below.

Learning on this course

On every step of the course you can meet other learners, share your ideas and join in with active discussions in the comments.

What will you achieve?

By the end of the course, you‘ll be able to...

  • Apply facts, concepts, principles, theories, classification systems and language used in astronomy
  • Develop the knowledge and understanding of the range of sizes, distances and motions of objects in the night sky
  • Develop the knowledge and understanding of the structure, evolution and the main processes operating in stars
  • Develop the knowledge and understanding of the properties of planets in our Solar System and exoplanetary systems
  • Demonstrate the knowledge and understanding of the history of the Universe

Who is the course for?

You do not need a professional telescope for this course, but you may find at least a pair of binoculars extremely useful.

No prior experience of the subject is required.

Who will you learn with?

I have been teaching, and learning, astronomy for over 40 years, half of them at the OU.
I research asteroids, comets and interplanetary dust with space missions telescopes and laboratory experiments.

I am a researcher in planetary & space sciences at the OU, interested in comets, asteroids and meteorites, and what they can tell us about the Solar System. Asteroid 4731 is named Monicagrady.

Who developed the course?

The Open University

As the UK’s largest university, The Open University (OU) supports thousands of students to achieve their goals and ambitions via supported distance learning, helping to fit learning around professional and personal life commitments.

  • Established

    1969
  • Location

    Milton Keynes, UK
  • World ranking

    Top 510Source: Times Higher Education World University Rankings 2020

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  • Access to this course
  • Access to ALL eligible short courses
  • Learn at your own pace
  • Discuss your learning in comments
  • Tests to boost your learning
  • Digital certificate when you're eligible

Buy this course

$69

One-off payment

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  • Access to this course
  • Learn at your own pace
  • Discuss your learning in comments
  • Tests to boost your learning
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