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| The Astronomer's Universe. | Our Night Sky - February 2012 |
Best seen full screen.
Check out what's up in Our Night Sky for February with host Carolyn Collins Petersen. Click here to download mp4
For iPad or iPhone view ISPCS Documentry & Spaceport Runway Dedication Download MP4
Astrocast.TV covers the International Symposium for Personal and Commercial Spaceflight 2010 (ISPCS) followed by the Spaceport America Runway Dedication. Members of the Commercial Spaceflight Industry talk with Kathleen Koch & Chuck Roberts about their organizations their goals and the future of the industry. Here are some of our featured guests.
This episode of A Green Space - A Green Earth
Fresh water is pivotal to humans. We rely on it for food production, as energy resource and much more. Knowledge about the water cycle is crucial also for coastal communities and marine industry; just to mention a few more examples of how important chasing water is.
Learn how we use satellite altimetry to measure both sea surface height and water in other elements of the water cycle. Satellite altimetry veteran Dr. Ole Andersen from Danish National Space Center and pioneer Professor Philippa Berry from De Montfort University in the UK tells you both about the technique and how it is currently being used.
More in-depth material can be found here:
ESA on water cycle: http://www.esa.int/esaEO/SEM07U9K73G_index_0.html
Jason-2: http://www.nasa.gov/mission_pages/ostm/main/index.html
Mean Sea Level data from satellite altimetry: http://www.aviso.oceanobs.com/en/news/ocean-indicators/mean-sea-level/altimetry-data-and-images/index.html
Satellite altimetry tracks rivers: http://www.esa.int/esaEO/SEM7TF0P4HD_index_0.html
Satellite altimetry technique:
http://www.eumetsat.int/HOME/Main/What_We_Do/Satellites/Jason
/SatelliteAltimetry/index.htm?l=en
Carolyn Collins Petersen is Visiting Eta Carinae
In this episode of The Astronomer's Universe we re-visit a region of space that has fascinated astronomers for decades: the Carinae Nebula and the soon-to-explode luminious blue variable star called Eta Carinae. This star, which is really a stellar pair, has been brightening and dimming, puffing out huge amounts of gas and dust, and giving astronomers new insight into the deaths of very massive stars. Learn the latest thinking about when this star might become a hypernova!
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