All Hubblecasts

Hubblecast 38: Hubble in popular culture
Hubblecast 37: Bubbles and baby stars
Hubblecast 36: Gifts from the sky: honouring 20 years of Hubble
Hubblecast 35: The stuff of legend
Hubblecast 34: Hubble snaps heavyweight of the Leo Triplet
Hubblecast 33: Saturn's stunning double show
Hubblecast 32:  Born in Beauty: Proplyds in the Orion Nebula
Hubblecast 31: Sky merger yields sparkling dividends
Hubblecast 30: Rebirth of an icon
Hubblecast 29: Mission Accomplished: Healing Hubble
Hubblecast 28: The fifth and final Hubble servicing mission
Hubblecast 27: What has Hubble taught us about the planets?
Hubblecast 26: Exceptionally deep view of strange galaxy
Hubblecast 25 Special: What's Next?
Hubblecast 24 Special: Beyond Earth
Hubblecast 23 Special: Seeing the invisible
Hubblecast 22: Hubble directly observes planet orbiting Fomalhaut
Hubblecast 21 Special: From silver to silicon
Hubblecast 20 Special: Technology to the rescue
Hubblecast 19 Special: Bigger is better
Hubblecast 18: Hubble sees magnetic monster in erupting galaxy
Hubblecast 17 Special: New views of the skies
Hubblecast 16: Galaxies gone wild!
Hubblecast 15: Black hole found in enigmatic Omega Centauri
Hubblecast 14: Hubble finds first organic molecule on extrasolar planet
Hubblecast 13: Gargantuan galaxy NGC 1132 - A cosmic fossil
Hubblecast 12: Murk on a monster planet
Hubblecast 11: A grand design in a galactic festoon
Hubblecast 10: Making the Universe come to life - behind the Hubble images
Hubblecast 09: Extreme star cluster bursts into life!
Hubblecast 08: A step closer to our origin
Hubblecast 07: Uncovering the Veil Nebula
Hubblecast 06: A battle of giants - telescopes in space and on the ground
Hubblecast 05: Hubble discovers ring of dark matter
Hubblecast 04: Hubble Finds Multiple Stellar 'Baby Booms' in a Globular Cluster
Hubblecast 03: Celebrating Hubble's 17th birthday with violent stellar fireworks
Hubblecast 02: Galaxy bars and supermassive black holes
Hubblecast 01: Hubble sees 'Comet Galaxy' being ripped apart by galaxy cluster
Showing 51 to 88 of 88


Welcome to the Hubblecast! Hubblecast features news and Images from the NASA/ESA Hubble Space Telescope.

The Hubblecasts are offered for download in several formats: standard (.mov, .mpeg, .mp4, .m4v), HD (High Definition) and Full HD. Read the FAQ for more info on the specs of these formats.

High-Definition is rapidly evolving into one of the leading video formats in the broadcasting market.

Hubblecast HD and Full HD videos can be watched on TV by the use of digital media receivers such as Apple TV.

Now anyone can follow the hottest and coolest discoveries from the near and far Universe – anywhere, anytime, for free!

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Frequently Asked Questions

What is Hubblecast?

Hubblecast is the name for Vodcasts produced by the ESA/Hubble team. A Vodcast is a short name for Video Podcast, and is a term used for the online delivery of video clips content via RSS.

Who is Dr. J?

Dr. J is the young enthusiastic host of the Hubblecast. He is a German astronomer and his scientific interests are in cosmology, particularly on galaxy evolution and quasars. Dr. J's real name is Joe Liske and he has a PhD in astronomy.

Link to Dr. J's Facebook Page

How can I watch Hubble Vodcasts?

You can watch Hubble Vodcasts on iTunes, that can be downloaded from this link. You can also watch them in any program that reads files in .m4v format (another name for .mp4 files encoded with the H.264 codec). One example is Quick Time Player, that can be downloaded from this link.

You can also use your favorite RSS feed aggregator and subscribe to the Hubblecast format of your choice. The links are provided below:

Subscribe to Hubblecast!
Subscribe to Hubblecast HD!
Subscribe to Hubblecast Full HD!

How can I receive and watch Hubble Vodcasts on my iPod?

  • In iTunes, go to: File -> Subscribe to Podcast
  • In the URL field, type: or or
    (depending on which version you want to receive)
  • Click on OK
  • On the left menu, click on the "Podcasts" section and you should see the "Hubble Space Telescope Vodcasts" there. The downloads should start automatically.
    Every time you open iTunes it will look for new episodes and download them in that section.
  • Then when you have your iPod connected to the computer you just drag and drop the episodes you want to watch to your iPod and voilá! You have it there!

What is the difference between HD and Full HD?

  • HD, or "HD-ready", is known as 720p and has a resolution of 720 lines vertically and 1280 picture elements horizontally. The letter “p” stands for progressive scan, which means that the lines of each frame are drawn in sequence. The frame rate is 24 frames per second.
  • Full HD, also known as 1080i, is a video format with a staggering 1,080 lines of vertical resolution, and 1920 picture elements in the horizontal direction. The letter “i” stands for interlaced scan, which means that the lines of each frame are drawn interlaced. Each frame consists of 1920 × 1080 pixels — some two million pixels in total, with a widescreen aspect ratio of 16:9. The frame rate is 50 frames per second.

Can you tell us something about the production process of Hubblecast?

There are some nice articles about the production of Hubblecast:

You can also get access to the Hubblecast on the links below:

The Hubblecast is also avalilable on:

Youtube Vimeo

Hubblecase on iPhone4

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