Hubble Telescope Discovers a Light-Bending 'Einstein Ring' in Space

Re:Hubble Telescope Discovers a Light-Bending 'Einstein Ring... by HugoDaniel on Thursday April 12, 2018 @03:03PM (#16823911)

Does this mean time travel is possible ?

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Re:Hubble Telescope Discovers a Light-Bending 'Einstein Ring... by gpvos on Thursday April 12, 2018 @03:05PM (#16823927)

No, not at all. Why would you think that?

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Re:Hubble Telescope Discovers a Light-Bending 'Einstein Ring... by Simon_says on Friday April 13, 2018 @04:16AM (#16827994)

Time travel is possible so long as you’re not particular about which direction.

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Re:Hubble Telescope Discovers a Light-Bending 'Einstein Ring... by pbhjpbhj on Friday April 13, 2018 @05:13AM (#16828232)

Nor too bothered about the speed.

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Re:Hubble Telescope Discovers a Light-Bending 'Einstein Ring... by Simon_says on Thursday April 19, 2018 @12:08PM (#16877050)

You can speed it up arbitrarily...

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Re:Hubble Telescope Discovers a Light-Bending 'Einstein Ring... by elohhim on Friday April 13, 2018 @05:31AM (#16828329)

I think that this one answers the question pretty good: https://xkcd.com/209/

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