XPost: sci.physics.relativity, sci.math
From: chris.m.thomasson.1@gmail.com
On 7/25/2025 1:12 PM, J. J. Lodder wrote:
> Chris M. Thomasson wrote:
>
>> On 7/24/2025 4:00 AM, J. J. Lodder wrote:
>>> x wrote:
>>>
>>>> On 7/23/25 15:37, The Starmaker wrote:
>>>>> Chris M. Thomasson wrote:
>>> [-]
>>>>>> How many asteroids have hit the earth and killed many things from the
>>>>>> result of its impact?
>>>>>
>>>>> I'm surprised you 'fall' for NASA's 'the sky is falling' cons..
>>>>>
>>>>> NEVER in the History of Earth has an asteriod fell on earth!
>>>>>
>>>>>
>>>>> In other words, no insects, no animals, no fishes or people or person
>>>>> has EVER been killed by an asteroid!
>>>>>
>>>>>
>>>>> Okay, I'll make it easier for you since science is not your forte...
>>>>>
>>>>> When was the last asteroid that hit the earth????
>>>>
>>>> There could be various meanings of the word 'hit' but
>>>> I am thinking that some types of dust do drift or blow
>>>> to the ground every day that are supposed to be derived from
>>>> meteor fragments or micrometeorites.>
>>>> That would tend to mean today and every day.
>>>
>>> A common convention is to call things smaller than 1 meter meteoroids,
>>> and bigger things asteroids. [1]
>>> (you may prefer another convention of course)
>>>
>>> With this convention asteroid impacts are not rare events,
>>>
>>> Jan
>>>
>>> [1] This is about the size that is needed to reach the ground.
>>
>> Did massive comet impacts bring water to our little speck (planet),
>> earth in our little galaxy in cosmic time?
>
> Quite possible, but there really is no need to postulate that.
> The early solar system was cold enough to have ice around here,
So, are you saying that water was already present on Earth in the "early
days", or did comet impacts help it as well?
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