Re: What is the best evidence for or against UFOs?

% wrote:
> Dawn Flood wrote:
>> On 9/22/2025 5:16 PM, Vincent Maycock wrote:
>>> On Mon, 22 Sep 2025 13:51:35 -0500, Dawn Flood
>>> <[email protected]> wrote:
>>>
>>>> On 9/21/2025 10:41 PM, Vincent Maycock wrote:
>>>>> On Sun, 21 Sep 2025 19:25:55 -0500, Dawn Flood
>>> <snip>
>>>>>> I would have to take issue even with unmanned space probes, 
>>>>>> all of which
>>>>>> require some energy to function, even if they are sitting 
>>>>>> in standby
>>>>>> mode.  Even the PCBs in the spacecraft will degrade over 
>>>>>> time, as it
>>>>>> would take tens of thousands of years for one to travel the 
>>>>>> distance to
>>>>>> the nearest star (other than our Sun), Proxima Centauri.  
>>>>>> When (and if)
>>>>>> such a probe arrived, it would be completely dead.
>>>>>>
>>>>>> Dawn
>>>>>
>>>>> Have you taken time dilation into account?
>>>>
>>>> I think that's irrelevant, because, getting a spacecraft up 
>>>> to 90% (or
>>>> more) of the speed of light would require enormous amounts of 
>>>> energy,
>>>> and an equal amount of energy to slow the thing down.  What 
>>>> would be the
>>>> source of this energy, especially, that which is needed for 
>>>> the slow-down?
>>>>
>>>> Dawn
>>>
>>> Right.   I was just saying that *if* rockets could reach 
>>> relativistic
>>> speeds, *then* long life spans for the astronauts would not be a
>>> problem.
>>
>> Agreed.  Of course, their rocket would, at those speeds, need 
>> to avoid colliding with anything!
> 
> you just raise your shields

you create a positron shield to prevent interstellar dust from 
accumulating in your spaces.