Archive for November, 2007

A grand design in a galactic festoon

The latest Hubblecast is now out! In this episode we present a new stunning Hubble image. M74 is a beautiful spiral galaxy located 32 million light years away. Hubble imaged the galaxy with its Advanced Camera for Surveys between 2003 and 2005.

“Messier 74, also called NGC 628, is a stunning example of a ‘grand-design’ spiral galaxy that is viewed by Earth observers nearly face-on. Its perfectly symmetrical spiral arms emanate from the central nucleus and are dotted with clusters of young blue stars. In the new Hubble image we can also see a smattering of bright pink regions decorating the spiral arms.

These are huge, relatively short-lived, clouds of hydrogen gas which glow due to the strong radiation from hot, young stars embedded within them; glowing pink regions of ionized hydrogen (hydrogen that has lost its electrons).”
You can watch the Hubblecast here.

Image credit: NASA, ESA and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration

UK astronomy under threat

Well this story is nearly a week old and I’ve been busy working so I haven’t had chance to blog about it; but I think it’s too important not to mention something about it here. It’s the news of a very worrying announcement made by the Science & Technology Facilities Council.

In order to save money the STFC plans to withdraw the UK from the Gemini Observatory leaving UK astronomers without access to one of (if not the) best optical observatories in the Northern Hemisphere.
The UK has already contributed £23 million to the Gemini project, with a 23% share in the project since 1992. This surprising development becomes even more concerning when we consider this quote from the RAS news release:”The decision to withdraw from the project appears to have been made without any consultation with the astronomical community.”

Chris Lintott has an interesting post about the developments on his blog as does Stuart at Astronomy Blog. According to ‘The e-Astronomer’ (Prof. Andy Lawrence) this is just the beginning of worse things to come after budget cuts by the UK government. Let’s hope the STFC reconsiders this decision and as Stuart and Andy say, in the meantime, you can write to your local MP!

Behind the scenes at Hubble

The latest Hubblecast is out! Episode number 10 explores behind the scenes of the NASA/ESA Hubble Space Telescope.

“We live in a Universe of unimaginable scale and almost incomprehensible beauty. How is the light from the Universe transformed into the images that have inspired generations by making the Universe come to life?”

If you have ever wondered how the incredible images from Hubble are made then this Hubblecast is for you!

Image credit: NASA, ESA, and the Hubble Heritage Team STScI/AURA)-ESA/Hubble Collaboration. Acknowledgement: B. Whitmore ( Space Telescope Science Institute) and James Long (ESA/Hubble).

ESO Catch a star!

The European Southern Observatory is running an international competition for students (in primary or secondary education) called ‘Catch a Star’. Entrants can either submit reports or artwork on an astronomical topic of their choice.

The deadline is Friday 29th February 2008. Prizes include T-shirts, DVDs, posters as well as (for the top prizes) trips to various worldwide observatories including ESO’s Paranal site in Chile!

For more information and the full rules, details and requirements visit the ESO ‘Catch A Star’ site here.

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About this site

Before becoming a full-time science writer in 2007, Will studied Astrophysics at University College London. He has written for the UK’s top astronomy magazines and has appeared on television and radio (including the BBC’s The Sky At Night) to promote astronomy and science. He has worked for the European Space Agency's Hubble Space Telescope press office in Germany and is a former News Editor of Astronomy Now magazine in the UK. Today Will writes for BBC Sky At Night magazine. His first popular astronomy book is due to be published by Springer in 2009. Follow Will's Twitter feed here.

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All content copyright Will Gater 2007 (unless otherwise stated). The author is not responsible for the content of external links. Top-bar image courtesy ESA, The Millennium Simulation Project and the Max-Planck-Institut für Astrophysik