Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > sci.physics > #685578

Re: What's the Bigger Menace, an Asteroid Impact or Climate Change?

From Sergio <invalid@invalid.com>
Newsgroups sci.physics
Subject Re: What's the Bigger Menace, an Asteroid Impact or Climate Change?
Date 2018-05-15 09:19 -0500
Organization Aioe.org NNTP Server
Message-ID <pdeqad$14ih$1@gioia.aioe.org> (permalink)
References (1 earlier) <flu8nrF3smuU1@mid.individual.net> <22d5379e-04da-4c0f-b092-af580097f5e9@googlegroups.com> <flul6gF6fkhU1@mid.individual.net> <pdd7ub$g9n$1@gioia.aioe.org> <flun0gF6r7lU1@mid.individual.net>

Show all headers | View raw


On 5/14/2018 7:12 PM, Trevor Wilson wrote:
> On 15/05/2018 10:00 AM, Sergio wrote:
>> On 5/14/2018 6:41 PM, Trevor Wilson wrote:
>>> On 15/05/2018 9:30 AM, Arindam Banerjee wrote:
>>>> On Tuesday, May 15, 2018 at 6:09:36 AM UTC+10, Trevor Wilson wrote:
>>>>> On 14/05/2018 3:54 AM, Sergio wrote:
>>>>>> obviously Asteroids!!
>>>>>>
>>>>>> https://www.scientificamerican.com/article/asteroid-impact-climate-change/
>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> Nevertheless, they wrote, "The asteroid-threat community has been
>>>>>> much
>>>>>> more successful than the climate change community in
>>>>>> characterizing the
>>>>>> dominant worst-case scenarios and communicating them to policymakers,
>>>>>> the media and the public—even though the climate change threat is
>>>>>> more
>>>>>> than a thousand times greater…, [therefore] quantitative
>>>>>> comparison of
>>>>>> climate change to asteroid impact is a valuable way to put both
>>>>>> threats
>>>>>> into perspective."
>>>>>>
>>>>>
>>>>> **Walk, chew gum. Humans can do both. Certainly NASA and the other
>>>>> agencies must continue to identify objects that may endanger the
>>>>> planet.
>>>>> We must also deal with the reality of global warming.
>>>>>
>>>>> -- 
>>>>> Trevor Wilson
>>>>> www.rageaudio.com.au
>>>>
>>>> What the f can anyone do when they learn at the last moment that an
>>>> asteroid is coming to wipe out New York? Or Mosocow, Beijing, Tokyo,
>>>> Kolkata, etc.?
>>>>
>>>
>>> **With sufficient warning (20 ~ 30 years), then we may be able to alter
>>> the orbit of the object, sufficiently, so that it misses Earth. With
>>> less warning, nothing.
>>>
>>
>>
>> Physics Question;
>>
>> so, at 20,000 mph, and 20 years away, how large is the asteroid to be
>> detectable by radar at that distance ?  OR how about by reflected light
>> ? (assume rock is coming straight towards earth >
>> part 2.   How much mass to we need to put up there to effect the path of
>> the rock ?  (assume by gravity, by explosion, or by hitting it like a q
>> ball)
>>
>> part 3. how much time and energy does it take to put the mass up there
>> to the asteroid from Earth to affect something ?
>>
>> (math is not hard, but I think you will see how the Earth is in very
>> deep yogurt when it comes to asteroids, of most any size, (Bruce Willis
>> cannot save the planet))
>>
> 
> **No doubt about it. Fortunately, the chances of being hit are
> incredibly remote. Unlike global warming, which is measurable and
> something we may be able to deal with.
> 
> BTW: If you want any calculations done, use the accepted scientific
> units. No one uses Imperial measurements any more.

Fosters beer comes in p & q's dude.

answer the physics question.


> 
> Cue: Benj, the yappy lap-dog.
> 

Back to sci.physics | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread


Thread

What's the Bigger Menace, an Asteroid Impact or Climate Change? Sergio <invalid@invalid.com> - 2018-05-13 12:54 -0500
  Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-05-13 16:18 -0700
  Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Edward Prochak <edprochak@gmail.com> - 2018-05-13 16:51 -0700
  Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-05-14 12:24 -0700
    Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? "hanson" <hanson@quick.net> - 2018-05-14 20:09 -0700
  Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2018-05-15 06:09 +1000
    Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Sergio <invalid@invalid.com> - 2018-05-14 15:27 -0500
      Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? benj <benj@nobody.net> - 2018-05-14 19:03 -0400
        Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2018-05-15 09:32 +1000
    Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? benj <benj@nobody.net> - 2018-05-14 18:24 -0400
      Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2018-05-15 08:49 +1000
        Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? benj <benj@nobody.net> - 2018-05-14 20:09 -0400
          Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Sergio <invalid@invalid.com> - 2018-05-14 19:26 -0500
          Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2018-05-15 10:44 +1000
    Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-05-14 16:30 -0700
      Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2018-05-15 09:41 +1000
        Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Sergio <invalid@invalid.com> - 2018-05-14 19:00 -0500
          Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2018-05-15 10:12 +1000
            Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Wally W. <ww84wa@aim.com> - 2018-05-14 22:53 -0400
            Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Sergio <invalid@invalid.com> - 2018-05-15 09:19 -0500
              Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2018-05-17 07:52 +1000
                Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Sergio <invalid@invalid.com> - 2018-05-17 12:22 -0500
          Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? benj <benj@nobody.net> - 2018-05-14 20:13 -0400
        Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? benj <benj@nobody.net> - 2018-05-14 20:11 -0400
          Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2018-05-15 10:46 +1000
            Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? benj <benj@nobody.net> - 2018-05-14 22:09 -0400
              Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2018-05-15 16:00 +1000
                Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-05-15 01:37 -0700
                Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? john <johnsefton288@gmail.com> - 2018-05-15 05:17 -0700
                Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-05-15 05:25 -0700
                Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Odd Bodkin <bodkinodd@gmail.com> - 2018-05-15 12:27 +0000
                Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? benj <benj@nobody.net> - 2018-05-15 09:56 -0400
                Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Arindam Banerjee <banerjeeadda1234@gmail.com> - 2018-05-15 15:42 -0700
            Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Sergio <invalid@invalid.com> - 2018-05-14 21:20 -0500
              Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2018-05-16 09:32 +1000
                Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Sergio <invalid@invalid.com> - 2018-05-16 12:00 -0500
                Re: What's the Bigger Menace, an Asteroid Impact or Climate Change? Trevor Wilson <trevor@SPAMBLOCKrageaudio.com.au> - 2018-05-17 07:53 +1000

csiph-web