Daily Archives: November 19, 2009

Poisonous gas bubble!

Posted on November 19, 2009 by

Stars like blowing bubbles. Especially when they get old. TT Cygni here, is no exception. Except that bubbles like this one are rather a lot more lethal than the kind you’d blow with soapy water. An ageing giant, TT Cygni … Continue reading →

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