[LMB] Arecibo

Markus Baur baur at chello.at
Mon Nov 23 21:28:42 GMT 2020


Am 23.11.2020 um 22:17 schrieb Howard Brazee:
>> On Nov 23, 2020, at 11:07 AM, WalterStuartBushell <proto at panix.com> wrote:
>>
>> More feasible would put it in low Earth orbit, where there is radiation protection from the Earth’s magnetic field,
>> and it can scan more of the sky. This give better logistics including retrieval of personnel and significantly less
>> lag time in communication.
>>
>> OBbj: Remember the time lag when Miles had his conversation with Dr. Auditor Vorthys?
>>
>> Alternatively perhaps it could be located at L4 or L5, if we are OK with remote operation and it
>> could be assembled in low Earth orbit.
> The far side of the moon is much better protected from Earth based radiations.   And the very slow rotation period of the moon makes it much, much easier to have super long exposures.

the slow rotation speed is both and advantage(as above) and a curse, as 
it will take about 14 days (or longer, depending on how much the 
telescope can steer away from zenith) until a target can be observed again

servus

markus



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