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PODCAST · education

Astronomy

by The Open University

Thanks to cutting-edge radio and infra-red astronomy, our understanding of the universe is moving very fast. Ideas about black holes and cosmic jets are constantly being refined as new discoveries are made using new, more powerful telescopes. This album explores the incredible discoveries and theories developed in recent years and introduces the astronomical observatories, space missions and satellites that have made it possible. The 12 video tracks reveal that our sun, though essential for our existence, is an unremarkable member of the stellar menagerie. They describe how astronomers study the structure and dynamics of our galaxy, the Milky Way and they introduce the challenges inherent in mapping the geometry and expansion of the universe. This material forms part of the course S282 Astronomy.

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Episodes

  1. Astronomy

    A short introduction to this album.

  2. Our Invisible Sun

    Scientists investigate sun spots, solar flares and arcs using x-ray telescopes, featuring the Big Bear Observatory in LA.

  3. VLA, HEIDI & YOKOH

    What would the sun look like if we had magnetically sensitive eyes? How the most sensitive radio telescopes on earth work.

  4. Is Our Sun Normal?

    Astronomers compare events on other stars to helps us better understand our sun.

  5. Mapping the Milky Way

    The discovery of radio emissions from the Milky Way, and the theory of dark-matter.

  6. The Shape of Our Galaxy

    Infra-red satellites. The DIRBE experiment on NASA's Cosmic Explorer opened a new window into the Milky Way.

  7. The Scale of Our Galaxy

    A route map to the stars. The Hipparcos satellite measured the position of stars with better precision than ever before.

  8. Radio Telescopes and Stellar Jets

    The advent of radio astronomy. How radio telescopes like the Maxwell telescope in Hawaii work and what they can tell us about cosmic jets.

  9. Detecting Galactic Jets

    How do radio astronomers see jets far outside our galaxy? Introducing the MERLIN array in the UK and the VLA in New Mexico.

  10. Measuring Black Holes

    What is the connection between black holes and cosmic jets? Scientists measure the mass and gravitational energy of black holes.

  11. What Causes Jets?

    What goes on deep in the centre of galaxies? Revealing the power source for stars and galactic jets.

  12. The Expanding Universe

    Russell Stannard uses simple analogies to explain difficult concepts. The expansion of space, and the cosmological red-shift, or doppler shift.

  13. Geometry of the Universe

    Russell Stannard explains why standard Euclidean geometry doesn't apply when considering the geometry of outer space.

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ABOUT THIS SHOW

Thanks to cutting-edge radio and infra-red astronomy, our understanding of the universe is moving very fast. Ideas about black holes and cosmic jets are constantly being refined as new discoveries are made using new, more powerful telescopes. This album explores the incredible discoveries and theories developed in recent years and introduces the astronomical observatories, space missions and satellites that have made it possible. The 12 video tracks reveal that our sun, though essential for our existence, is an unremarkable member of the stellar menagerie. They describe how astronomers study the structure and dynamics of our galaxy, the Milky Way and they introduce the challenges inherent in mapping the geometry and expansion of the universe. This material forms part of the course S282 Astronomy.

HOSTED BY

The Open University

CATEGORIES

education

Frequently Asked Questions

How many episodes does Astronomy have?

Astronomy currently has 13 episodes available on PodParley. New episodes are automatically indexed when they're published to the podcast feed.

What is Astronomy about?

Thanks to cutting-edge radio and infra-red astronomy, our understanding of the universe is moving very fast. Ideas about black holes and cosmic jets are constantly being refined as new discoveries are made using new, more powerful telescopes. This album explores the incredible discoveries and...

How often does Astronomy release new episodes?

Astronomy has 13 episodes. Check the episode list to see recent publication dates and frequency.

Where can I listen to Astronomy?

You can listen to Astronomy on PodParley by clicking any episode. We provide an embedded audio player for direct listening, and you can also subscribe via your preferred podcast app using the RSS feed.

Who hosts Astronomy?

Astronomy is created and hosted by The Open University.
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