Should have Gone Below Marsbug's Post and Clarification

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Should have Gone Below Marsbug's Post and Clarification

Marsby — 8/18/2009 9:36:07 PM (archived)

The mass equivalent rule of thumb is the mass of atmosphere available to abrade the impactor as it punches through the atmosphere not the atmosphere as a whole.

Regards,
Mark

The whole thread (59 posts)

Panel says not enough funds for Mars or the Moon - Jeff F - 8/13/2009 4:57:29 PM
- Thanks To Everyone For A Great Thread - Marsby - 8/21/2009 3:09:01 AM
- Forget the Moon. Forget Mars. - mip - 8/15/2009 4:40:05 PM
  - re: Forget the Moon. Forget Mars. - Baroke Obama - 8/18/2009 4:37:04 AM
  - Forget Lifeless Rocks? - Marsby - 8/16/2009 4:33:15 PM
    - Whats wrong with geology? - Marsbug - 8/17/2009 10:47:42 AM
      - NASA's focus on Exobiology is turning out to be a pact with the devil - Nick Hoffman - 8/18/2009 12:35:30 AM
        
        re: NASA's focus on Exobiology is turning out to be a pact with the devil - Marsbug - 8/18/2009 1:16:26 PM
        
        Nothing Wrong With Geology or Emphasis on Life - Marsby - 8/18/2009 3:09:05 PM
        
        re: Nothing Wrong With Geology or Emphasis on Life - Marsbug - 8/18/2009 3:53:38 PM
        
        That's a Big No On The Resource Issue, Maybe On Life - Marsby - 8/18/2009 4:39:17 PM
        
        ppm?! Those Numbers are near 0.01% - Marsby - 8/18/2009 9:17:56 PM
        
        Ah, I understand where you're coming from now.. - Marsbug - 8/19/2009 10:10:58 AM
        
        True, but It doesn't just apply to colonization - Marsby - 8/19/2009 3:13:09 PM
        
        I agree in principle... - Marsbug - 8/20/2009 10:28:55 AM
        
        Should have Gone Below Marsbug's Post and Clarification - Marsby - 8/18/2009 9:36:07 PM
        
        re: That's a Big No On The Resource Issue, Maybe On Life - Marsbug - 8/18/2009 8:40:22 PM
        
        re: And lets just say they find "life" - Baroke Obama - 8/18/2009 4:32:45 AM
        
        It has already begun - Socrates II - 8/18/2009 1:47:05 PM
        
        Newbies - Marsby - 8/18/2009 2:42:57 PM
        
        Barry D was on HZ? - Socrates II - 8/18/2009 2:48:15 PM
        
        Here You Go - Marsby - 8/18/2009 3:37:57 PM
        
        Yes - Marsby - 8/18/2009 3:14:09 PM
        
        persona non grata - Adam - 8/19/2009 9:20:53 AM
      - This "lifeless rocks" attitude is one reason why NASA is in the trouble it is in now - Socrates II - 8/17/2009 1:05:06 PM
- Just how bad... - dtb - 8/13/2009 6:55:07 PM
  - NEA and Phobos missions... - Adam - 8/14/2009 1:30:28 AM
    - re: NEA and Phobos missions... - Marsby - 8/16/2009 5:02:47 PM
    - re: NEA and Phobos missions... - Jeff F - 8/14/2009 4:44:15 PM
      - Let us be honest here - Socrates II - 8/14/2009 5:10:58 PM
        
        Zubrin's "Gaiashield" is a good baseline... - Adam - 8/14/2009 11:29:14 PM
        
        The Obvious Problem - Marsby - 8/16/2009 5:28:34 PM
        
        I agree - Adam - 8/17/2009 12:35:34 PM
        
        A synopsis of why Phobos makes a good platform for exploring Mars - Socrates II - 8/18/2009 1:24:08 PM
        
        re: A synopsis of why Phobos makes a good platform for exploring Mars - Marsby - 8/18/2009 9:31:15 PM
        
        In the SF novel Red Planet - Socrates II - 8/19/2009 2:14:40 PM
        
        OOPs - Marsby - 8/19/2009 6:27:04 PM
        
        Not A Fan - Marsby - 8/19/2009 5:35:40 PM
        
        KSR's Red Mars is online for free, but... - Socrates II - 8/19/2009 6:27:26 PM
        
        Thanks - Marsby - 8/21/2009 3:13:04 AM
    - They say no, not with current budgets - dtb - 8/14/2009 4:07:44 AM
      - Aye Karumba! - Adam - 8/14/2009 8:02:48 AM
        
        Dumb Question of the Day - Socrates II - 8/14/2009 1:44:50 PM
        
        the public - pwokenyaw - 8/14/2009 5:32:57 PM
        
        re: the public - Marsby - 8/16/2009 5:37:59 PM
        
        Our workforce - Nick Hoffman - 8/16/2009 11:25:55 PM
        
        It Will Always Be Cheaper On a Cost Per Mission Basis - Marsby - 8/17/2009 2:52:54 AM
        
        Biosphere management... - Adam - 8/20/2009 10:53:49 PM
        
        re: Biosphere management... - Marsby - 8/21/2009 6:34:02 PM
        
        We disagree by several orders of magnitude - pwokenyaw - 8/17/2009 3:52:55 AM
        
        Try Using Scientific Terms - Marsby - 8/17/2009 4:36:18 AM
        
        re: Try Using Scientific Terms - pwokenyaw - 8/17/2009 11:15:35 PM
        
        Probably Confused with Podrock - Marsby - 8/18/2009 3:31:31 PM
        
        Confused with Podrock? - podrock - 8/18/2009 7:29:29 PM
        
        Try Using Scientific Terms - Marsby - 8/17/2009 4:27:02 AM
        
        re: the public - Jeff F - 8/14/2009 11:06:36 PM
        
        and whose money will you use to do this? (n/t) - pwokenyaw - 8/15/2009 5:31:10 AM
        
        "the people"... - Adam - 8/14/2009 11:34:22 PM
        
        The construction of Endeavour also required a budget increase (n/t) - Raoul - 8/14/2009 5:45:31 PM

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