Space/Science

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Sub-boards: Transient Alerts

The Anisoplanatic Point Spread Function in Adaptive Optics - ljk - 3/8/2006 10:28:11 PM
- Adaptive Optics Imaging Survey of Luminous Infrared Galaxies - ljk - 3/16/2006 8:14:42 PM

Galaxies colliding then and now - Raoul - 3/16/2006 5:44:37 PM
- Mach 100+ collisions - SteveS - 3/16/2006 6:26:12 PM
- Integral catches stellar 'corpses' by the tail - ljk - 3/16/2006 6:03:05 PM
  - re: Integral catches stellar 'corpses' by the tail - Raoul - 3/16/2006 7:49:51 PM

The positive energy balance of ethanol is still open to debate - SDF - 3/15/2006 8:36:36 AM
- Well, there methanol is made from natural gas - SteveS - 3/15/2006 3:30:01 PM
  - Why? Methanol doesn't have much energy density. - et - 3/15/2006 5:55:04 PM
    - Oh, you said RACING vehicles. Well.... - et - 3/15/2006 8:29:17 PM
      - That's the reason for my suggestion - SteveS - 3/16/2006 5:41:31 PM
  - The link between racing and ethanol goes back a long way... - Tom Brosz - 3/15/2006 5:51:06 PM
- lol, Was in reply to thread below (n/t) - SDF - 3/15/2006 11:53:00 AM

NASA HQ in a "science vacuum" - ljk - 3/15/2006 7:58:13 PM
- Part of the plan to... - Buck Galaxy - 3/15/2006 9:24:49 PM
  - re: Part of the plan to... - ljk - 3/15/2006 9:26:55 PM
    - Hoping and... - Buck Galaxy - 3/15/2006 9:40:52 PM
- re: Faster Better Cheaper - Raoul - 3/15/2006 9:20:36 PM
  - re: Faster Better Cheaper - ljk - 3/16/2006 2:53:32 PM

Alternative fuels front: New study shows ethanol has 20% advantage over gasoline... - Scott Evil - 3/14/2006 3:59:06 PM
- It also requires 29% more energy to produce than what it puts out. (n/t) - Lee - 3/14/2006 7:57:14 PM
  - re: How much energy is lost when you recharge a battery? - Scott Evil - 3/15/2006 2:41:15 PM
  - True if you use American corn. (n/t) - alcaray - 3/14/2006 10:15:01 PM
  - re: And how much energy does producing premium gasoline cost? (n/t) - Chris Vancil - 3/14/2006 8:47:51 PM
    - Book Offers A Viable Alternative To Fossil Fuel - ljk - 3/16/2006 2:32:40 PM

Replies to the pessimistic Radiation article in Scientific American! - Chris Vancil - 3/14/2006 8:51:56 PM
- re: Terrestrial cosmic ray intensities - Vince - 3/15/2006 4:32:42 AM
  - re: Orbital cosmic rays exposer - Chris Vancil - 3/15/2006 10:49:08 PM
- Makes me dream of Project Orion - Laurie Street - 3/14/2006 10:30:16 PM
  - Project Orion pictures - Laurie Street - 3/14/2006 10:42:56 PM
    - re: Project Orion movie - Tom Brosz - 3/14/2006 11:16:35 PM
      - Real space travel will require real space craft. - Lee - 3/15/2006 3:56:41 AM
- If those are our only hope.... - dtb - 3/14/2006 10:06:01 PM
  - re: If those are our only hope.... - Chris Vancil - 3/14/2006 11:44:26 PM

Space elevators an option? - Tom Brosz - 9/22/2005 2:07:30 AM
- Lets say it was feasable... - Scott Evil - 9/23/2005 2:06:18 PM
  - too dangerous - Greg - 9/27/2005 3:53:56 AM
  - re: Lets say it was feasable... - Chris Vancil - 9/26/2005 8:20:28 PM
    - re: Lets say it was feasable... - Greg - 9/28/2005 1:58:53 AM
- re: Space elevators an option? - Delbert - 9/22/2005 9:53:10 PM
  - We keep satellites from hitting all the manned stuff we put in LEO, today. - alcaray - 3/15/2006 12:21:50 AM
    - Can't believe you guys let me get away with that post. - alcaray - 3/15/2006 7:09:32 PM
  - re: Space elevators an option? - Chris Vancil - 9/23/2005 12:00:52 AM
    - It would have to do some pretty funky wiggling to succeed. (n/t) - SDF - 9/23/2005 1:48:04 AM
      - re: Not really. - Chris Vancil - 9/23/2005 6:24:28 AM
        
        How? (n/t) - SDF - 9/23/2005 6:32:06 AM
        
        re: One method: Move 'car' down or up the ribbon and thrust to move it away from a possible hit. (n/t) - Chris Vancil - 9/24/2005 1:26:48 AM
        
        re: How? - Chris Vancil - 9/23/2005 2:22:50 PM
- Ok, that's it.... - et - 9/22/2005 5:57:44 PM
- Yes... - Adam - 9/22/2005 11:07:28 AM
  - The Slingatron! - LJK - 9/22/2005 12:17:51 PM
    - There is also the Space Fountain - LJK - 9/22/2005 8:21:54 PM
      - Intermediate??? - Adam - 9/22/2005 10:05:44 PM
        
        re: Intermediate??? - Tidman - 3/14/2006 10:25:44 PM
        
        Arthur C. Clarke on the Space Elevator - LJK - 9/26/2005 2:54:15 PM

Well? The Stardust science team has released some interesting mineralogical data. - Jacob Samorodin - 3/14/2006 12:24:17 AM
- Radiogenic heating? - Robert Clark - 3/14/2006 11:36:23 AM
  - Within comets? Don't think there's enough insulation to keep them much above absolute zero... - alcaray - 3/15/2006 12:00:17 AM
- re: Well? The Stardust science team has released some interesting mineralogical data. - nick hoffman - 3/14/2006 9:22:17 AM
  - Good point, and... - Buck Galaxy - 3/14/2006 8:34:54 PM
  - Brace for "the return of the exploded planet" hypothesis! (n/t) - et - 3/14/2006 6:24:51 PM
    - A planet doesn't have to explode to spew hunks of itself. (n/t) - alcaray - 3/14/2006 10:16:44 PM
      - You're right. It just has to drink Dewars. (n/t) - et - 3/15/2006 12:40:16 AM
        
        That would be chunks (n/t) - alcaray - 3/15/2006 7:08:04 PM
- re: Well? The Stardust science team has released some interesting mineralogical data. - Ken Murphy - 3/14/2006 2:19:00 AM
  - Deep Impact : High Resolution Optical Spectroscopy with the ESO VLT and the Keck 1 telescope - ljk - 3/14/2006 3:53:45 PM

Sulfur Volcanism on Io - ljk - 3/15/2006 5:08:42 PM

Interferometric Parallax: A Method for Measurement of Astronomical Distances - ljk - 3/15/2006 4:02:48 PM
- Probing the Universe on Gigaparsec Scales with Remote Cosmic Microwave Background Quadrupole Measurements - ljk - 3/15/2006 4:20:11 PM

Google Mars - SDAI-Tech1 - 3/13/2006 5:42:21 AM
- re: Google Mars - Fox - 3/15/2006 3:42:47 AM
- Yes indeed. - et - 3/13/2006 6:16:18 AM
  - Where's the FACE? - carl - 3/13/2006 6:29:16 PM
    - re: There! - Raoul - 3/13/2006 7:11:18 PM
      - re: There! (trying again) - Raoul - 3/13/2006 7:13:36 PM
        
        They have balloon races on Mars? (n/t) - alcaray - 3/13/2006 10:09:52 PM
        
        Ever seen the Animatrix? - et - 3/14/2006 6:56:28 PM
        
        re: :-))))) (n/t) - Raoul - 3/14/2006 6:29:02 AM
    - Surely you jest.... - et - 3/13/2006 6:36:33 PM
      - Now, Mission2Mars sezs different - carl - 3/13/2006 6:47:14 PM
        
        re: Now, Mission2Mars sezs different - ljk - 3/14/2006 3:26:34 PM

Effects of a Local Interstellar Magnetic Field on Voyager 1 and 2 Observations - ljk - 3/14/2006 6:46:13 PM
- re: Effects of a Local Interstellar Magnetic Field on Voyager 1 and 2 Observations - Marcia - 3/15/2006 2:44:56 AM

Great ISS Pass! - dtb - 3/15/2006 1:23:01 AM
- Some odds... - dtb - 3/15/2006 2:03:25 AM

Research Warps into Hyperdrive - ljk - 3/8/2006 9:33:06 PM
- Chaplygin traversable wormholes v2 - ljk - 3/14/2006 6:50:41 PM

A mission to the surface of Enceladus - Jacob Samorodin - 3/12/2006 1:31:03 AM
- re: A mission to the surface of Enceladus - Tom Brosz - 3/12/2006 2:20:09 AM
  - I disagree with Jim. - Jacob Samorodin - 3/12/2006 8:24:15 PM
    - Jim disagrees with Jim, too - JimO - 3/13/2006 5:02:25 AM
      - re: Jim disagrees with Jim, too - Robert Clark - 3/13/2006 7:58:51 AM
        
        stardust - JimO - 3/13/2006 12:24:38 PM
        
        Will there be any discussion of the organics from Stardust? - Robert Clark - 3/14/2006 11:33:48 AM
        
        I would guess that Stardust already released most of the organics - to space. - alcaray - 3/14/2006 6:50:12 PM
  - VIMS - R.L. - 3/12/2006 2:41:05 AM
    - re: VIMS - Jacob Samorodin - 3/12/2006 8:31:53 PM
      - Why would you assume I would be at that conference? - R.L. - 3/12/2006 9:21:47 PM
        
        re: Why would you assume I would be at that conference? - Jacob Samorodin - 3/12/2006 10:19:51 PM

Southern Louisiana Meteor - Eric - 3/11/2006 6:31:47 PM
- It is truly sad... - ljk - 3/14/2006 3:39:56 PM

Animation for children and the heavens tonight - Raoul - 3/11/2006 9:19:44 PM
- Good for you! - R.L. - 3/12/2006 10:02:48 AM
  - re: Amateurs - Raoul - 3/12/2006 10:18:49 AM
- Very nice. (The PARENTS weren't alive in July, '69??!!) (n/t) - Bowser - 3/12/2006 6:27:01 AM
  - re: Time - Raoul - 3/12/2006 11:12:33 AM
    - re: Time - ljk - 3/14/2006 3:36:52 PM
  - Remedial math - R.L. - 3/12/2006 7:50:34 AM
    - It's not really a Math issue... - McFly - 3/13/2006 6:32:24 PM
    - How many alive today were alive in 1969 - Delbert - 3/12/2006 9:50:47 PM
      - re: How many alive today were alive in 1969 - Jacob Samorodin - 3/12/2006 10:24:17 PM
        
        I was at the cape to watch Apollo 11 take off. Fantastic site!! (n/t) - Delbert - 3/14/2006 4:43:12 AM
        
        You had a black-and-white television?! - ljk - 3/14/2006 3:33:58 PM

Methane in the water plumes of Enceladus. - Robert Clark - 3/12/2006 2:51:24 PM
- "This could arise either from hydrothermal activity or microbial activity." - et - 3/13/2006 12:03:47 AM
  - re: "This could arise either from hydrothermal activity or microbial activity." - Robert Clark - 3/13/2006 7:57:12 AM
    - "A moon or planet would ot be "born" with methane. It has to come from somewhere." - end transmission - 3/13/2006 6:58:25 PM
      - You're right the methane could be primordial. - Robert Clark - 3/13/2006 7:22:59 PM
        
        Titan's CH4 is probably primordial as well. - et - 3/13/2006 7:38:43 PM
        
        It's good to be conservative & cautious with interpretation, but a biological explanation is still feasible. (n/t) - Jacob Samorodin - 3/14/2006 12:27:36 AM
  - LOL, thanks ET (n/t) - R.L. - 3/13/2006 3:11:29 AM
- Think about it from the thermodynamic perspective. - Jacob Samorodin - 3/12/2006 9:04:18 PM
- WOW!!!.... - Jacob Samorodin - 3/12/2006 8:27:46 PM
  - Sounds like a good mission for the emerging private space program. - Lee - 3/12/2006 9:11:16 PM
    - I agree. (n/t) - Jacob Samorodin - 3/12/2006 10:10:59 PM

'Army of Davids' via Google Earth - phil - 3/13/2006 10:42:02 PM

Moon seen as 'dress rehearsal' for Mars - Chris Vancil - 3/6/2006 9:58:51 AM
- Have you read the latest Scientific American? - Jacob Samorodin - 3/6/2006 11:56:57 PM
  - re: Replies to the pessimistic Radiation article in Scientific American! - Chris Vancil - 3/13/2006 10:21:45 PM
  - re: Have you read the latest Scientific American? - Chris Vancil - 3/7/2006 6:28:00 PM
  - That sounds very depressing, but I'm optimistic that there are ways of overcomming any of the difficulties... - Scott Evil - 3/7/2006 4:47:12 PM
  - re: Have you read the latest Scientific American? - gbaikie - 3/7/2006 2:55:40 AM
  - re: Have you read the latest Scientific American? - Chris Vancil - 3/7/2006 12:08:30 AM
    - We had better just stop all exploration everywhere - ljk - 3/7/2006 3:33:18 PM

RUMOR NASA to make a major life in the solar system announcement today - phil - 3/9/2006 4:30:58 PM
- I think somebody jumped the gun. - Jacob Samorodin - 3/11/2006 12:34:33 AM
- "Prepare to be assimilated. Resistance is futile." Borg propaganda slogan. (n/t) - David F Mayer - 3/10/2006 5:07:49 PM
- re: forget life...What about scooping up the water and using it to create rocket fuel while in orbit of saturn? - Scott Evil - 3/10/2006 2:38:58 PM
  - More engineering trouble than it's worth to do it. - Jacob Samorodin - 3/11/2006 12:36:46 AM
- re: Dr. Nick - opinions on Enceladus? - Vince - 3/10/2006 3:17:40 AM
- So... Do I need a Resident or Non-Resident Fishing License? - DALeffler - 3/10/2006 12:18:43 AM
- Organic material spotted around Enceladus - :) sorry - 3/9/2006 10:55:24 PM
- re: Enceladus size....just for the comparison - Raoul - 3/9/2006 8:28:20 PM
- Embargo ends at 2 PM EST. - JimO - 3/9/2006 4:34:18 PM
  - My commentary is at... - JimO - 3/9/2006 7:35:48 PM
    - Outstanding idea JimO - Buck Galaxy - 3/10/2006 7:18:47 AM
    - I like the suggestion of a Stardust-type mission to Enceladus - pwokenyaw - 3/10/2006 4:26:35 AM
  - My guess is it's related to the high percentage of organic material in Comet Wild (n/t) - Buck Galaxy - 3/9/2006 5:33:32 PM
    - I am guessing Enceladus keep supplies Saturn's rings with icy material. (n/t) - REB - 3/9/2006 6:14:13 PM
      - rLooks like Enceladus is the source for the E-ring. - REB - 3/10/2006 7:49:01 PM
      - re: But how could this have happened since Enceladus was orbiting Saturn, with such a small mass? (n/t) - Raoul - 3/9/2006 10:02:28 PM
        
        Enceladus probably was much larger in the past... - REB - 3/9/2006 10:20:52 PM
        
        re: And remain spherical inspite of its size? (n/t) - Raoul - 3/10/2006 6:36:54 AM
        
        That is the main reason I think Enceladus is basically a large drop of water with an icy crust. - REB - 3/10/2006 1:07:48 PM
        
        Not a small core - Adam - 3/13/2006 9:33:30 PM
    - Looks like that's not it: NASA's Cassini spacecraft may have found evidence of liquid water reservoirs that erupt in Yellowstone-like geysers on Saturn's moon Enceladus. (n/t) - Buck Galaxy - 3/9/2006 5:45:44 PM
      - The outer solar system will be prime real estate for space colonies. - Lee - 3/9/2006 8:06:17 PM
      - NASA's Cassini spacecraft may have found evidence of liquid water - Raoul - 3/9/2006 6:50:40 PM
        
        re: The amazing ENCELADUS!! - Raoul - 3/9/2006 7:09:00 PM
        
        The closest thing to a snowball earth yet? - SteveS - 3/9/2006 7:23:55 PM
  - Not for drudge, apparently - dtb - 3/9/2006 4:55:14 PM
    - What forces the water out? - JimO - 3/9/2006 7:14:44 PM
      - My guess would be tidal forces, like on Io. - alcaray - 3/10/2006 3:47:36 PM
        
        Tidal Force Specifics - phil - 3/11/2006 9:48:20 PM
        
        You are right! - alcaray - 3/13/2006 7:09:07 PM
      - re: What forces the water out? - DALeffler - 3/10/2006 3:38:33 AM
      - re: From NASA - Raoul - 3/9/2006 7:52:12 PM
        
        good model - JimO - 3/10/2006 1:09:14 PM
        
        good model - JimO - 3/10/2006 1:09:11 PM
      - re: What forces the water out? - REB - 3/9/2006 7:32:35 PM
        
        So what makes the geysers on Triton? - ljk - 3/9/2006 8:44:46 PM
        
        re: So what makes the geysers on Triton? - btw, yes it's primarily due to tidal heating. (n/t) - Marcia - 3/11/2006 2:53:42 AM
        
        re: Good times for science. - Marcia - 3/11/2006 2:48:07 AM
        
        priorities - JimO - 3/10/2006 1:14:02 PM
        
        the cost of peace - JimO - 3/10/2006 1:25:51 PM
        
        Thank you, Jim... - ljk - 3/10/2006 7:31:55 PM
        
        So true - Buck Galaxy - 3/12/2006 12:03:25 AM
        
        re: So true, really? - JimO - 3/13/2006 5:04:45 AM
        
        re: So true, really? - Buck Galaxy - 3/13/2006 7:53:38 AM
        
        re: So what makes the geysers on Triton? - phil - 3/9/2006 11:24:10 PM
        
        Nitrogen phase transition via ice-greenhouse - Adam - 3/13/2006 9:36:08 AM
        
        Probably heat and pressure. - REB - 3/9/2006 8:55:41 PM
        
        Errr.... - :) - 3/9/2006 10:16:00 PM
        
        D'oh - REB - 3/9/2006 10:25:09 PM
        
        Next question - ljk - 3/9/2006 9:09:26 PM
        
        Simple molecules I think - Adam - 3/9/2006 9:12:34 PM
    - re: Not for drudge, apparently - ljk - 3/9/2006 6:48:44 PM
      - Enceladus geysers "predicted" in 1981 National Geographic Magazine - ljk - 3/9/2006 11:13:45 PM
        
        re: July 81, pages 30 and 31 "Shining Enceladus" (n/t) - Raoul - 3/10/2006 6:47:50 AM
        
        Online scan of the NGM artwork of Enceladus gushing - ljk - 3/12/2006 3:21:04 AM
        
        re: I scanned exactly the same painting and it's now in the PC... - Raoul - 3/12/2006 8:59:25 AM

Different TEAMS control Mars Missions? - carl - 3/13/2006 7:25:53 PM

AWST: USAF ran top secret manned orbital missions in 1990's - JimO - 3/6/2006 3:09:27 AM
- DONUTS on ROPE contrails?????? - carl - 3/9/2006 2:21:47 PM
- Somebody's got some explaining to do - Robert - 3/6/2006 11:12:40 PM
  - re: Somebody's got some explaining to do - R.L. - 3/8/2006 5:06:33 AM
- It's hard to hide something that big and loud - Larry J - 3/6/2006 8:33:51 PM
  - My extensive expreience with the XB-70... - et - 3/6/2006 8:43:32 PM
- First take -- glaring implausibilities - JimO - 3/6/2006 12:08:47 PM
  - Common sense... - Tom Brosz - 3/6/2006 5:33:34 PM
    - Common sense for 1986 though? (n/t) - et - 3/6/2006 5:53:50 PM
- R.L., what do you think of the sodium-ion laser comment in the AWST story? - et - 3/6/2006 6:29:46 AM
  - Who knows... - R.L. - 3/8/2006 5:13:04 AM
    - re: Who knows... - Aloha - 3/8/2006 4:45:36 PM
      - Do you have anything of value to contribute? (n/t) - R.L. - 3/9/2006 5:22:58 AM
    - Good point. - et - 3/8/2006 5:26:34 AM
  - Ok serious answer.... - R.L. - 3/6/2006 10:51:31 AM
  - No, it does not work in reverse - R.L. - 3/6/2006 9:29:56 AM
    - re: No, it does not work in reverse - JimO - 3/6/2006 12:10:49 PM
      - :( sorry, I was in a silly mood - R.L. - 3/6/2006 7:14:20 PM
      - An orange herring if you will? - et - 3/6/2006 6:24:55 PM
- Boron toothpaste? - et - 3/6/2006 6:23:00 AM
  - Ok, so Boron fuels might be old news... - et - 3/6/2006 6:22:16 PM
- So what, we're talking about an "Aurora" plus "White Knight" type carrier system? - et - 3/6/2006 4:16:09 AM
  - Given that one of the XB-70s crashed after it "sucked" an F-104 into it's tail... - et - 3/6/2006 6:20:45 PM
    - XB-70 crash sequence - Larry J - 3/6/2006 8:15:40 PM
      - More XB-70 Photos - Peter Bruener - 3/10/2006 7:11:34 AM
        
        Scale - Peter Bruener - 3/10/2006 7:31:26 AM
      - It doesn't fit, or does it? - et - 3/6/2006 8:50:23 PM
        
        Hard to tell - Larry J - 3/6/2006 10:11:10 PM
        
        Ah. Ok. - et - 3/6/2006 10:31:46 PM
        
        re: Ah. Ok. - et - 3/6/2006 10:32:14 PM
        
        All that matters... - ljk - 3/7/2006 3:40:39 PM
        
        Interesting post from FPSPACE list - ljk - 3/7/2006 7:37:08 PM
        
        It's hard to judge size when there's no frame of reference - Larry J - 3/7/2006 9:27:00 PM
        
        That's no wrench... - et - 3/7/2006 11:03:02 PM
        
        A link to the sketch of the "wrench" - ljk - 3/9/2006 3:52:37 PM
        
        Blackstar: False Messiah From Groom Lake - ljk - 3/10/2006 12:09:47 PM
        
        Six blind men in a zoo: Aviation Week's mythical Blackstar - ljk - 3/13/2006 5:34:52 PM

Blackstar issues - Raoul - 3/12/2006 10:00:38 AM
- Good article, covers most of the logical objections. - Tom Brosz - 3/12/2006 8:13:09 PM

Ariane 5 mission - Raoul - 3/11/2006 10:52:12 PM

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