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Black hole photography
photonius Offline
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#8
04-13-2019, 07:59 PM
(04-13-2019, 08:33 AM)stoppingdown Wrote:
Quote:It is  physics - the effective telescope diameter is limited to the diameter of the Earth.

Well, a protective filter for that lens should cost tons of money.

But it has to be multicoated, to protect against solar flares...
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Messages In This Thread
Black hole photography - by stoppingdown - 04-11-2019, 12:49 PM
RE: Black hole photography - by photonius - 04-11-2019, 09:33 PM
RE: Black hole photography - by davidmanze - 04-12-2019, 07:39 AM
RE: Black hole photography - by miro - 04-12-2019, 09:44 AM
RE: Black hole photography - by toni-a - 04-13-2019, 05:37 AM
RE: Black hole photography - by davidmanze - 04-13-2019, 08:16 AM
RE: Black hole photography - by stoppingdown - 04-13-2019, 08:33 AM
RE: Black hole photography - by photonius - 04-13-2019, 07:59 PM

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