Space/Science

A place for discussion of any science topic. From experts in the field to those who simply want to learn, all are welcome here. Speculation is welcome here; pseudoscience is not. A place for lively discussion of whatever science topics interest you.

Sub-boards: Transient Alerts

RADARSAT data used to prosecute illegal dumping doesn't stand up in court - Success_Machine - 1/19/2004 5:26:43 PM
- The article doesn't seem to match your headline - Larry J - 1/19/2004 6:47:50 PM
  - re: Ok. Howz this: RADARSAT data not deemed sufficient to guarantee illegal dumping conviction - Success_Machine - 1/19/2004 9:18:32 PM
    - To paraphrase Richard Pryor... - Larry J - 1/20/2004 3:17:54 AM
      - re: To paraphrase Richard Pryor... - Nick Hoffman - 1/20/2004 3:44:56 AM
    - Detaining the ship cost the owners money, anyway... (n/t) - Nick Hoffman - 1/19/2004 11:40:38 PM

Question on scaling for Tom - robert_d - 1/18/2004 6:16:41 PM
- re: Question on scaling - Tom Brosz - 1/18/2004 7:21:24 PM
  - re: Question on scaling - robert_d - 1/19/2004 3:40:05 AM
    - re: Question on scaling - Larry J - 1/19/2004 7:16:04 PM
      - re: Question on scaling - Tom Brosz - 1/19/2004 9:06:38 PM
        
        re: Question on scaling - Larry J - 1/19/2004 11:23:46 PM
        
        composite tanks - Tom Brosz - 1/20/2004 1:50:03 AM

A pack of Beagles - Buck Galaxy - 1/19/2004 7:01:07 PM
- re: A pack of B..... - Nick Hoffman - 1/20/2004 12:55:06 AM
- I wish him the best of luck - Tom Brosz - 1/19/2004 8:47:38 PM
- Pillinger is in denial - Gary - 1/19/2004 7:12:32 PM
  - NA$A got plenty of tries but cost-innovative Pilinger should now be DENIED chances to win competitive prizes? - ~tax leech - 1/19/2004 8:14:44 PM

No strange soil on rover tires - dlp_79 - 1/19/2004 8:00:31 AM
- Good catch! - Tom Brosz - 1/19/2004 11:03:43 PM
- Dang, another jumped conclusion eats dirt n/t (n/t) - Nick Hoffman - 1/19/2004 9:27:07 AM

Answers For Larry, Nick, & Scott. Comment For Robert - Mark Eby - 1/17/2004 8:59:05 PM
- Another One For Larry - Mark Eby - 1/17/2004 11:16:44 PM
  - Your obscession with Mars is bordering on the narrow-minded - Larry J - 1/18/2004 1:45:53 AM
    - What Infrastructure By The Way? - Mark Eby - 1/18/2004 2:53:49 AM
      - If This Is Such A Big Issue For You Why Can't You Provide Details Larry? (n/t) - Mark Eby - 1/19/2004 9:54:02 PM
    - Use Your Degree - Mark Eby - 1/18/2004 2:37:56 AM
      - Use your brains - Larry J - 1/19/2004 4:54:22 PM
        
        All The Time Larry - Mark Eby - 1/19/2004 6:15:48 PM
    - You nailed it: Infrastructure - Buck Galaxy - 1/18/2004 2:37:32 AM
      - And - Mark Eby - 1/18/2004 2:44:28 AM
        
        gateways versus deadends - Gary - 1/18/2004 9:42:49 PM
        
        The Saddest Things - Mark Eby - 1/19/2004 4:53:35 AM
        
        Bush's proposal is pretty consistant with your ideas. - Scott Evil - 1/19/2004 5:12:49 PM
        
        You Must Have Stopped Reading At Item 2 (n/t) - Mark Eby - 1/19/2004 7:43:32 PM
        
        re: The Saddest Things - gbaikie - 1/19/2004 11:00:02 AM
        
        Perfect Case In Point - Mark Eby - 1/19/2004 3:24:28 PM
        
        re: And - Buck Galaxy - 1/18/2004 3:04:29 AM
        
        From The Point Of Access & Raw Materials - Mark Eby - 1/18/2004 3:23:24 AM
        
        re: From The Point Of Making Some Cash - Tom Brosz - 1/18/2004 6:29:51 AM
        
        And It All Requires CATS - Mark Eby - 1/18/2004 1:18:08 PM

Some strange stories floating around about MER-A's EDL - Gary - 1/19/2004 5:02:55 AM
- re: Some strange stories floating around about MER-A's EDL - dlp_79 - 1/19/2004 7:08:20 AM
  - Explanation - Gary - 1/19/2004 5:52:14 PM

Looks like Spirit has passed by Sleepy Hollow... - Marcia - 1/19/2004 4:14:24 PM
- re: Tracks - Raoul - 1/19/2004 5:18:50 PM

MARS 2050: President Bush unveils ambitious strategy for preemptive democratization and wholesame Americanisation of the cosmos - Greg - 1/19/2004 7:20:38 AM
- For another point of view... - Tom Brosz - 1/19/2004 7:36:39 AM
  - To think that she could write like that in 1969 - ebnelson - 1/19/2004 2:49:36 PM

Attn: R.L. -- Ask and thou shall receive. - Johannes - 11/22/2003 5:42:31 AM
- When did I ask for crap? (read carefully, dimwit) - R.L. - 11/23/2003 1:04:48 AM
  - re: (read carefully, dimwit) - Johannes - 11/23/2003 8:48:57 PM
    - re: (read carefully, dimwit) - R.L. - 11/24/2003 8:36:11 AM
      - re: (read carefully, dimwit) - Johannes - 11/25/2003 4:36:48 AM
        
        You are WRONG - R.L. - 11/25/2003 6:17:42 AM
        
        typo correction - R.L. - 11/25/2003 6:24:36 AM
        
        re: You mean that YOU made an ERROR ????? - Johannes - 11/26/2003 3:31:09 AM
        
        a typo that was fixed 7 minutes later- not like your factors of 10^9 that you defend against all logic - R.L. - 11/26/2003 4:42:22 AM
    - Pointless - R.L. - 11/23/2003 11:42:52 PM
      - re: Pointless - jeweles ? - 1/19/2004 12:06:42 PM
      - re: Pointless - jeweles ? - 1/19/2004 12:06:33 PM
- Attn: Johannes. - et - 11/22/2003 3:23:42 PM
  - "The way to get good ideas is to get lots of ideas and throw the bad ones away." - Linus Pauling - ebnelson - 11/23/2003 6:39:14 PM
    - et - ebnelson - 11/24/2003 3:03:57 AM
- Nuclear Reactor Mass Balance - Nick Hoffman - 11/22/2003 7:46:27 AM
- And heat dissipation via radiation is completely left out of the rather odd numbers... (n/t) - Davin L. - 11/22/2003 5:55:37 AM
  - Davin's nailed it - Tom Brosz - 11/22/2003 7:00:24 PM
    - No, no, No! - SDAI-Tech1 - 11/26/2003 12:33:41 AM
      - Argh. (n/t) - Tom Brosz - 11/26/2003 5:36:39 PM
      - Well, at least you didn't mention "vortex" - Davin L. - 11/26/2003 4:37:32 AM
        
        re: Well, at least you didn't mention "vortex" - SDAI-Tech1 - 11/26/2003 3:58:54 PM
        
        re: Well, at least you didn't mention "vortex" - Davin L. - 11/26/2003 5:52:33 PM
        
        Quantum Astrophysics - SDAI-Tech1 - 11/26/2003 8:04:27 PM
        
        re: Quantum Astrophysics - Johannes - 11/28/2003 5:55:11 AM
        
        re: Quantum Astrophysics - darrell - 1/19/2004 12:39:18 PM
        
        Been out picking your own mushrooms again, I see... (n/t) - R.L. - 11/26/2003 11:00:29 PM

Lileks talks about space a bit in Monday's column - Tom Brosz - 1/19/2004 7:37:45 AM

Good article on the moon as an intermediate goal - Larry J - 1/15/2004 6:50:35 PM
- Good Article On Bogus Moon Justifications - Mark Eby - 1/19/2004 3:56:47 AM
- Very good! - REB - 1/16/2004 2:47:04 AM
- re: Good article on the moon as an intermediate goal - Chris Vancil - 1/15/2004 11:13:47 PM
  - re: Good article on the moon as an intermediate goal - DALeffler - 1/16/2004 1:30:04 AM

Earth Analogues for Martian "soil" - Nick Hoffman - 1/19/2004 1:48:57 AM
- Earth Analogues for Martian "soil" - robert_d - 1/19/2004 3:20:25 AM

Moon to Moon - brian gyles - 1/18/2004 7:47:30 PM
- Whats the different between just putting the stuff in orbit? - Justin Kelly - 1/18/2004 8:39:05 PM
- re: Moon to Moon - Mark Eby - 1/18/2004 8:06:31 PM
  - thanks (n/t) - brian gyles - 1/18/2004 8:13:49 PM

MSNBC: "The cost of humans on the moon, Mars" - Larry J - 1/14/2004 7:58:14 PM
- More Dubious Press Commentary - Mark Eby - 1/15/2004 3:40:06 AM
  - re: More Dubious Press Commentary - Larry J - 1/15/2004 3:00:43 PM
    - Congratulations Larry - Mark Eby - 1/17/2004 6:37:14 PM
      - re solar power, interferometers from the moon. - Buck Galaxy - 1/18/2004 5:00:32 PM
        
        Look At Replacement Cost Versus Maintenance Cost - Mark Eby - 1/18/2004 8:36:36 PM
        
        re: re solar power, interferometers from the moon. - Regards, - 1/18/2004 8:26:00 PM
      - Keeping score - gbaikie - 1/18/2004 12:23:28 AM

Congressman defines what type of new space vehicle should be used - Jeff F - 1/17/2004 8:27:08 PM
- Never the less he's probably right. - Delbert - 1/17/2004 11:09:58 PM
  - Probably, But Regurgitating What Some Expert Told Him Doesn't Make Him The Authority - Mark Eby - 1/17/2004 11:22:20 PM
    - But serving for 8 years on the committee that over sees this and representing the Space Coast - ebnelson - 1/18/2004 1:25:15 AM
      - I'm Not Saying He's Wrong Just Not The Right Decision Maker - Mark Eby - 1/18/2004 3:01:50 AM
- re: Congressman defines - Tom Brosz - 1/17/2004 10:02:18 PM
  - The Bush plan calls for the CEV to be a capsule - Buck Galaxy - 1/18/2004 8:11:04 PM
- Spacecraft Should Be Designed By Engineers Not Politicians - Mark Eby - 1/17/2004 8:38:00 PM
  - How the system works..... - Gary - 1/17/2004 8:59:28 PM
  - Relax, the congresscritter just regurgitated the CEV Apollo capsule mantra (n/t) - phil - 1/17/2004 8:45:33 PM

Weird rocks - Gary - 1/17/2004 4:51:34 AM
- re: Weirder rock - SteveS - 1/18/2004 7:46:36 PM
- Check these rocks out - Buck Galaxy - 1/17/2004 5:29:54 PM
  - It's probably ordinary basalt - Gary - 1/17/2004 6:06:05 PM
    - re: It's probably ordinary basalt - Chris Vancil - 1/17/2004 8:14:52 PM
      - re: Scoria and volcanic ash. - Marcia - 1/18/2004 12:49:48 AM
- Whoa! Spotted 3 Indian arrow heads there! (n/t) - phil - 1/17/2004 2:37:16 PM
  - My 9 year old has found a Martian face in the rocks :-) - Buck Galaxy - 1/17/2004 5:18:40 PM
- re: Weird rocks - Donald - 1/17/2004 2:09:28 PM
- From the angle and distance shown - ebnelson - 1/17/2004 12:09:46 PM
- Maybe you should keep an open mind. (n/t) - Robert Clark - 1/17/2004 6:20:05 AM
  - re: Maybe you should keep an open mind. - Chris Vancil - 1/17/2004 8:08:17 AM
    - re: Maybe you should keep an open mind about the possibility of MUD on Mars. (n/t) - Robert Clark - 1/17/2004 8:12:45 AM
      - re: Huh? Where have I ever said no MUD on Mars...btw what does MUD stand for? (n/t) - Chris Vancil - 1/17/2004 8:47:09 AM
        
        re: Huh? Where have I ever said no MUD on Mars...btw what does MUD stand for? - Robert Clark - 1/17/2004 9:05:29 AM
        
        re:Mud? That wet stuff on my shoes? - Chris Vancil - 1/17/2004 9:34:05 AM
        
        Right. He mentioned coral fossils but I was still thinking mud. (n/t) - Robert Clark - 1/17/2004 2:13:07 PM
  - Maybe you should try using yours (n/t) - R.L. - 1/17/2004 8:06:00 AM
    - At this stage the evidence is overwhelming there is current liquid water on Mars. - Robert Clark - 1/17/2004 8:15:35 AM
      - Try learning about the physical properties of water, Bob - R.L. - 1/17/2004 11:32:10 PM
        
        Temperatures and pressures are within the range to permit liquid water in Gusev, Mars. - Robert Clark - 1/18/2004 1:38:16 AM
        
        Bob, when the data shows you to be wrong, will you admit it? - R.L. - 1/18/2004 1:59:38 AM
        
        When will you actually LOOK at the data showing temperature above freezing and pressure above 6.1 mbars? (n/t) - Robert Clark - 1/18/2004 11:49:21 AM
      - Squawk! Squawk! Polly want a Cracker! Polly want a Cracker! (n/t) - Polly - 1/17/2004 6:09:56 PM
        
        Many prefer not to look at the evidence. It's easier to keep their beliefs that way. (n/t) - Robert Clark - 1/17/2004 8:56:53 PM
      - re: At this stage the evidence is overwhelming there is current liquid water on Mars. - Johannes - 1/17/2004 5:48:26 PM
      - Huh?!? - Donald - 1/17/2004 2:14:55 PM
- Nick, what's your opinion concerning these rocks? (n/t) - Gary - 1/17/2004 4:56:19 AM

No more flights to the HST??? - Raoul - 1/16/2004 10:00:34 PM
- HST has performed its mission brilliantly - Gary - 1/17/2004 8:41:23 PM
- Not As Bad As It Sounds - Mark Eby - 1/17/2004 8:25:50 PM
- That is what the news is here. - ebnelson - 1/17/2004 2:46:40 AM
  - re: Foam - Raoul - 1/17/2004 11:22:04 AM
    - Shuttle rescue missions - SteveS - 1/17/2004 2:46:25 PM
      - re: Shuttle rescue missions - Raoul - 1/17/2004 5:34:37 PM
        
        re: Shuttle rescue missions - SteveS - 1/18/2004 12:48:07 PM
        
        re: Taking the chance - Raoul - 1/18/2004 4:58:09 PM
        
        "There are serious problems that can occur to the ISS bound Shuttle long before it can reach it or after it has left it and it is too far to get back to." - Buck Galaxy - 1/17/2004 6:56:45 PM
    - My bet - ebnelson - 1/17/2004 12:15:16 PM
- 2007-2009 - Tom Brosz - 1/16/2004 11:30:09 PM
  - re: 2007-2009 - Raoul - 1/17/2004 12:05:18 AM
  - Mount the arm on the telescope or the payload module. - Scott Evil - 1/16/2004 11:57:25 PM
    - Boosters - Tom Brosz - 1/17/2004 12:03:55 AM
      - re: Boosters - Raoul - 1/17/2004 12:06:54 AM
        
        That's why we should deorbit it into a nearby star system... - Scott Evil - 1/17/2004 12:16:48 AM
- I bet they eventually find a way to salvage it. - Scott Evil - 1/16/2004 11:10:36 PM
  - Better yet, the CHI-COMMS WILL..... - Carl - 1/17/2004 4:46:55 PM
- re: Not safe enough - Raoul - 1/16/2004 10:23:19 PM
  - May I suggest its future use as an ABM target? (n/t) - phil - 1/16/2004 10:31:34 PM
    - that might actually be practical - pwokenyaw - 1/16/2004 10:59:18 PM
    - re:I'm sure millions will be devastated - Raoul - 1/16/2004 10:54:39 PM
      - re: At least the Hubble team has time to find new work - SteveS - 1/16/2004 11:03:49 PM
        
        re: Space telescopes - Raoul - 1/16/2004 11:19:56 PM

Rover May Struggle to Find Water Traces - Gary - 1/17/2004 11:26:17 PM
- what "new" story? - PB - 1/18/2004 1:50:54 AM
  - "Old" story - Gary - 1/18/2004 4:47:45 AM
- All they have to do is go down two inches. (n/t) - Robert Clark - 1/18/2004 1:31:08 AM
  - When the heck are they going to do it anyway? (n/t) - Buck Galaxy - 1/18/2004 2:42:44 AM
    - re: When the heck are they going to do it anyway? - SteveS - 1/18/2004 2:35:50 PM

Saturn V and HLLV and Moon stations - Raoul - 1/17/2004 3:40:54 PM
- Shuttle Derived Vehicle Plans Are Many - Mark Eby - 1/17/2004 4:45:33 PM
  - The broad point you make is interesting - ebnelson - 1/18/2004 1:54:35 AM
    - I like the idea of an Eagle type craft. - Lee - 1/18/2004 6:49:34 AM
  - re: Shuttle Derived Vehicle Plans Are Many - Delbert - 1/17/2004 6:51:31 PM
    - Good Point - Mark Eby - 1/17/2004 8:20:28 PM
  - re: Ares - Raoul - 1/17/2004 5:54:14 PM
    - Others & Mission Design Documents - Mark Eby - 1/17/2004 8:10:30 PM
      - Reference page? I just bookmarked it! Thanks! - Tom Brosz - 1/17/2004 10:42:50 PM
        
        Definitions - Mark Eby - 1/17/2004 11:12:00 PM
        
        re: Definitions - Tom Brosz - 1/17/2004 11:32:42 PM
      - Justin & Robert, Can We Add A Reference Page To Habitable Zone? - Mark Eby - 1/17/2004 8:45:19 PM
  - Thank you Mark - Justin Kelly - 1/17/2004 5:27:24 PM
    - Just Don't Expect ME To Go Easy On Moon To Mars Folks Here - Mark Eby - 1/17/2004 8:40:29 PM
    - Once again, Mark is correct.... - Gary - 1/17/2004 7:38:45 PM
      - Look At The Bright Side - Mark Eby - 1/17/2004 8:16:41 PM
        
        re: Look At The Bright Side - gbaikie - 1/17/2004 9:53:36 PM

Martian Soil in 3-D - SteveS - 1/17/2004 1:49:54 AM
- Bad link see Gary's post. Damn, I've been striking out on linking (n/t) - SteveS - 1/17/2004 1:48:54 PM
- Or perhaps mud. (n/t) - Robert Clark - 1/17/2004 6:26:33 AM
  - Its not mud - Donald - 1/17/2004 2:17:28 PM
- It's not mud - Gary - 1/17/2004 3:52:37 AM
  - Opinion - Nick Hoffman - 1/17/2004 4:41:27 AM
    - re: Opinion - Marcia - 1/17/2004 6:49:11 PM
    - Bull dust with a static charge - Gary - 1/17/2004 5:07:16 AM
      - Gary - Donald - 1/17/2004 2:36:23 PM
        
        I've always wanted to hear that - Gary - 1/17/2004 6:19:30 PM
        
        The Kelso Dunes of California - Donald - 1/17/2004 9:16:39 PM
        
        No it LOOKS wet and cohesive, beneath a thin surface coating. (n/t) - Robert Clark - 1/17/2004 3:15:00 PM
        
        Your confused Robert - Donald - 1/17/2004 4:14:09 PM
        
        In order to protect their beliefs, people have to deny what they see. - Robert Clark - 1/17/2004 9:05:32 PM
        
        In order to protect their delusions, people have to deny the FACTS! - R.L. - 1/18/2004 1:56:03 AM
        
        Polly is more than confused...... (crackers?) (n/t) - Gary - 1/17/2004 6:12:07 PM
        
        The story is told ... - Robert Clark - 1/17/2004 9:08:22 PM
    - It appears to be... - Donald - 1/17/2004 5:01:07 AM

Orbiting but not Landing on Mars - Raoul - 1/11/2004 3:24:37 PM
- And What Are You Talking About With Regard To Launch Windows? - Mark Eby - 1/11/2004 4:32:44 PM
  - re: 1 month in Mars orbit instead of more than a year (n/t) - Raoul - 1/11/2004 6:21:16 PM
    - I Got That - Mark Eby - 1/11/2004 7:14:13 PM
- It's Far Past Time You Read Something On Using Martian Resources Raoul - Mark Eby - 1/11/2004 4:21:11 PM
  - "You need to take your return fuel with you to a Martian moon which means you also need the fuel to carry it. " - Buck Galaxy - 1/11/2004 11:35:03 PM
    - What Is So Hard For People To Understand? - Mark Eby - 1/12/2004 12:43:53 AM
      - Aeronautically speaking, weight is the enemy of all things good - Larry J - 1/12/2004 3:24:02 AM
        
        Several Big Factors You Forgot To Mention - Mark Eby - 1/17/2004 9:31:00 PM
        
        re: Earth Return Vehicle - Raoul - 1/18/2004 12:38:09 AM
        
        Yes On 2 Ships, No On Delta V's - Mark Eby - 1/18/2004 1:04:01 AM
      - re: What Is So Hard For People To Understand? - Buck Galaxy - 1/12/2004 2:07:05 AM
      - re: What Is So Hard For People To Understand? - Nick Hoffman - 1/12/2004 1:10:39 AM
        
        Complex Chemistry? - No Way - Mark Eby - 1/12/2004 2:42:46 AM
        
        Why do you assume that the same chemisty (or something equally simple) couldn't be done on the Martian moons? - Scott Evil - 1/12/2004 5:26:13 PM
        
        It Is No Assumption. - Mark Eby - 1/14/2004 2:23:15 AM
        
        Assumptions... - Nick Hoffman - 1/12/2004 4:34:20 AM
        
        Let's Review The Math AGAIN - Mark Eby - 1/14/2004 4:06:13 AM
        
        Once Again The Math Goes By Without Comment (n/t) - Mark Eby - 1/15/2004 3:18:34 AM
  - re: It's Far Past Time You Read Something On Using Martian Resources Raoul - Tom Brosz - 1/11/2004 8:02:22 PM
    - re: MGS - Raoul - 1/11/2004 8:13:29 PM
      - aerobraking vs aerocapture? - Buck Galaxy - 1/11/2004 11:23:20 PM
        
        No one has tried aerocapture yet - Larry J - 1/12/2004 2:20:40 AM
        
        We almost did - Gary - 1/12/2004 5:38:03 AM
        
        The concept may be old but the details are still challenging - Larry J - 1/12/2004 3:15:00 PM
        
        Flight tests - Gary - 1/12/2004 4:33:34 PM
        
        Politics - Larry J - 1/12/2004 5:34:48 PM
        
        re: aerobraking vs aerocapture? - PB - 1/11/2004 11:44:04 PM
  - The problems with using Martian resources for the return trip. - David F Mayer - 1/11/2004 5:30:40 PM
    - You Missed The Part About Taking H2 To Mars - Mark Eby - 1/11/2004 7:10:33 PM

After Bush speech, Russia mulls missions to Moon and Mars - Jeff F - 1/17/2004 8:29:55 PM
- They got no money and their best engineers have left the country (n/t) - Gary - 1/17/2004 8:44:06 PM
  - re: They got no money and their best engineers have left the country - Jeff F - 1/17/2004 8:45:56 PM
    - My office mate is a Russian aerospace engineer - Gary - 1/17/2004 9:06:23 PM
- re: After Bush speech, Russia mulls missions to Moon and Mars - phil - 1/17/2004 8:43:39 PM

Researchers wax exctatic about solid fuel - phil - 1/17/2004 3:23:24 PM
- Wax rockets - Gary - 1/17/2004 7:21:01 PM

Unreal - Al - 1/17/2004 6:10:24 PM

Viking images for comparison - Greg - 1/17/2004 3:12:14 PM

« newer topics · page 512 of 740 · older topics »

Recent posts

On this day in Space/Science

Space/Science