Indeed this is great news - I wouldn't actually be surprised if there's a further servicing mission at some point in the future - which would again extend Hubble's life expectancy. - if only because the replacement telescope is sure to slip (because of budgetary cutbacks for instance) in terms of when it will actually come on line.

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"All truth passes through three stages. First, it is ridiculed, second it is violently opposed, and third, it is accepted as self-evident." Arthur Schopenhauer - renowned 19th Century German philosopher.