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Our Night Sky - A close look at our monthly night sky.

A Green Space A Green Earth

A Green Space - A Green Earth. Earth observation from Space.

 

The Astronomer's UniverseiImage

Learn what Astronomers are learning with The Astronomer's Universe.

 

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The Astronomer's Universe. Our Night Sky - July 2014!

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Our Night Sky - July 2014 from Midnight Rider Productions on Vimeo.

Our Night Sky - July 2014 from Astrocast.TV on Vimeo.


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Every month is a great month to go out and explore the stars and planets starting a couple of hours after sunset. Carolyn Collins Petersen, is your guide to skygazing for June 2014. This month you can see gorgeous planets, and some familiar constellations. Be sure and dress for the weather, and bring along binoculars or a small telescope to enhance your view.

Starry skies are a vanishing treasure because light pollution is washing away our view of the cosmos. It not only threatens astronomy, it disrupts wildlife, and affects human health. The yellow glows over cities and towns — seen so clearly from space — are testament to the billions spent in wasted energy from lighting up the sky.

Watch at: http://www.youtube.com/embed/blX9bTOTnHk
To help raise public awareness of some of the issues pertaining to light pollution, Loch Ness Productions in collaboration with the International Dark-Sky Association has created a 6.5-minute "public service announcement" called Losing the Dark. It introduces and illustrates some of the issues regarding light pollution, and suggests three simple actions people can take to help mitigate it.

Losing the Dark was initially created in fulldome video format for digital planetarium use. It also has been made as a conventional flat screen video, for use in classrooms, kiosks, museum theaters, and advocate multimedia presentations. Classic planetarium theaters without fulldome capability can show this version using their traditional video projectors.

More information and links to downloads at: http://www.darksky.org/losingthedark

Losing the Dark is a joint production of the International Dark-Sky Association and Loch Ness Productions.

Writer/narrator: Carolyn Collins Petersen

Audio/video production: Mark C. Petersen

Music: Geodesium

Time-lapse photography and animation: Dome3D, Loch Ness Productions

Additional imagery: NASA, DigitalSky 2, Adler Planetarium, Gregory Panayotou, Gemini Observatory / AURA, Dan Nixon / Need-Less Campaign, Thomas O'Brien / tmophoto, Babak Tafreshi / TWAN

Special thanks: Dr. Connie Walker (NOAO) and the IDA Education committee

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.

 

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!

 

See our coverage of the historical Groundbreaking at Spaceport America on Astrocast.TV

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