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Astronomer's guide to the solar system
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Polish President World News
Polish President World News
Astronomer's guide to the solar system
Dr Marek Kukula, Public Astronomer at the Royal Observatory, Greenwich, takes readers on a hitch-hiker's guide to our solar system using this collection of photographs showing the best "tourist" attractions of our solar system. The collection of pictures has been put together as the Royal Observatory launches its 2011 Astronomy Photographer of the Year contest, for pictures captured by humans. For more information on the competition.
A full-disk extreme ultraviolet image of the Sun taken by the Solar Dynamics Observatory's Atmospheric Imaging Assembly (AIA) instrument, showing the temperatures of gases on the solar surface and in the solar atmosphere on March 30, 2010. Red gases are cooler (around 60,000 degrees Celsius), blue and green are warmer (more than 1 million degrees). A solar flare is seen at upper left.
Dr Kukula says: "Spacecraft like the Solar Dynamics Observatory allow us to 'see' wavelengths of light which would be invisible to human eyes. In the ultraviolet the Sun's familiar face appears dark, but now we can see that it's surrounded by wispy streamers of gas and blotched with bright regions of intense solar activity, each the size of the Earth."
A full-disk extreme ultraviolet image of the Sun taken by the Solar Dynamics Observatory's Atmospheric Imaging Assembly (AIA) instrument, showing the temperatures of gases on the solar surface and in the solar atmosphere on March 30, 2010. Red gases are cooler (around 60,000 degrees Celsius), blue and green are warmer (more than 1 million degrees). A solar flare is seen at upper left.
Dr Kukula says: "Spacecraft like the Solar Dynamics Observatory allow us to 'see' wavelengths of light which would be invisible to human eyes. In the ultraviolet the Sun's familiar face appears dark, but now we can see that it's surrounded by wispy streamers of gas and blotched with bright regions of intense solar activity, each the size of the Earth."
Related : Astronomer's guide to the solar system From Wikipedia, the free encyclopedia, Polish President World News
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