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

Deep Impact update - SteveS - 4/28/2005 3:10:39 PM
- re: Deep Impact update - p - 4/28/2005 3:43:30 PM
  - All your bodies are belongs to us - SteveS - 4/29/2005 1:01:36 AM
  - I can't wair for Deep Impact 2... - Scott Evil - 4/28/2005 5:14:02 PM
    - Destruction IS a evil thing ;-) (n/t) - SteveS - 4/29/2005 1:06:43 AM

First flight expected tomorrow (crowds are gathering!) - Raoul - 4/26/2005 4:20:51 PM
- Love to see it. Twenty tons (tonnes) of test equipment aboard. (n/t) - Bowser - 4/26/2005 9:34:01 PM
  - re: Yepeee!!!!!!! - Raoul - 4/27/2005 11:05:08 AM
    - Wet blankets are not much fun, but... - ljk - 4/27/2005 1:08:06 PM
      - re: Wet blankets are not much fun, but... - Joe2700 - 4/28/2005 10:33:52 PM
      - The nose looks kinda like a De Havilland Comet. - Lee - 4/28/2005 4:08:57 AM
      - re: Glorious! - Raoul - 4/27/2005 5:55:06 PM
        
        She's a beauty....good on the Euros! (n/t) - Peter Bruener - 4/28/2005 3:21:58 AM
        
        You know, somewhere Howard Hughes is smiling... (n/t) - Tom Brosz - 4/27/2005 8:47:43 PM
        
        PS: Wet blankets do not work on Raoul, anyway. (n/t) - alcaray - 4/27/2005 8:45:19 PM
      - By your reasoning, I should buy up all the Lear stock I can find. - alcaray - 4/27/2005 5:34:25 PM
      - No wet blankets. - Tom Brosz - 4/27/2005 5:28:56 PM
      - re: Much more freedom for choices - Raoul - 4/27/2005 4:12:10 PM

A simple attempt at conveying the scale of the universe... - R.L. - 4/7/2005 3:41:58 AM
- Circular universe, or infinite universe, escape velocity? - SDF - 4/28/2005 5:21:54 PM
- re: A simple attempt at conveying the scale of the universe... - Delbert - 4/7/2005 4:51:39 PM
- I'll raise you one... - Tom Brosz - 4/7/2005 5:04:33 AM
  - Stupendous. (n/t) - David F Mayer - 4/28/2005 7:44:52 PM
  - re: Ultra Deep Field!; I'll raise you one more...(500 KB) my wallpaper - Raoul - 4/7/2005 6:43:13 PM
  - The Hubble Deep Field - Davin L. - 4/7/2005 2:00:11 PM
    - 2001: A Space Odyssey is the real litmus test - ljk - 4/8/2005 5:01:10 PM
      - re: Haa: 2001: A Space Odyssey ! - Raoul - 4/8/2005 7:32:46 PM
        
        re: Haa: 2001: A Space Odyssey ! - Tom Brosz - 4/9/2005 1:56:16 AM
    - Egg of Creation - Tom Brosz - 4/7/2005 4:01:51 PM
      - Have you read Fred Heeren's book? - Jacob Samorodin - 4/7/2005 8:34:34 PM
        
        re: Have you read Fred Heeren's book? - ljk - 4/8/2005 6:16:41 PM
      - The mix of fairy tale and Indian mysticism was intentional - Davin L. - 4/7/2005 6:24:08 PM
  - I have heard.... - R.L. - 4/7/2005 8:58:39 AM
    - Pass the salt... - ljk - 4/8/2005 5:42:28 PM
    - Playing Powers of Ten... - Adam - 4/7/2005 1:44:24 PM
      - re: Playing Powers of Ten... - ljk - 4/8/2005 6:06:08 PM
      - Zaphod Beeblebrox - Gary - 4/7/2005 4:19:24 PM
        
        habitable zones - Daniel - 4/8/2005 11:23:29 AM
        
        Given the failure of SETI... - Gary - 4/8/2005 4:08:17 PM
        
        re: Given the failure of SETI... - Nick Hoffman - 4/9/2005 4:11:18 AM
        
        Whoops, that's the Fermi Paradox - Nick Hoffman - 4/10/2005 6:57:50 AM
        
        thanks - fascinating (n/t) - Daniel - 4/10/2005 5:52:28 AM
        
        More agreement than disagreement - Gary - 4/9/2005 6:17:59 PM
        
        Argument has several levels - Tom Brosz - 4/9/2005 7:58:17 PM
        
        How far will intelligence expand in the galaxy? - Gary - 4/10/2005 12:27:48 AM
        
        Interstellar drives and distances... - Adam - 4/10/2005 10:16:25 PM
        
        re: Interstellar drives and distances... - Gary - 4/11/2005 2:29:05 AM
        
        re: Interstellar drives and distances... - John - 4/27/2005 10:00:47 PM
        
        oh... ok - Adam - 4/11/2005 9:30:00 PM
        
        only speculation - Daniel - 4/10/2005 5:46:39 AM
        
        ET artifacts in our Solar System - Gary - 4/11/2005 12:17:10 AM
        
        A lot depends on whether or not they want artifacts to be found - Tom Brosz - 4/11/2005 6:51:26 PM
        
        80 cents? - Daniel - 4/11/2005 7:59:18 AM
        
        re: only speculation - Tom Brosz - 4/10/2005 4:32:40 PM
        
        the thing is .. - Daniel - 4/11/2005 7:53:19 AM
        
        Assumptions - Tom Brosz - 4/10/2005 2:08:16 AM
        
        We humans haven't explored nearly enough yet for the definitive answer to alien life - ljk - 4/8/2005 5:09:40 PM
        
        Carboxy chauvanism... - Adam - 4/8/2005 3:33:24 AM
      - "It's all there for me." - Tom Brosz - 4/7/2005 3:58:59 PM
        
        Overwhelming Futility - Nick Hoffman - 4/9/2005 4:59:23 AM
        
        Not really true. - Tom Brosz - 4/9/2005 8:24:21 PM
  - You 'one upped' me - R.L. - 4/7/2005 6:01:30 AM
    - Most humans are not designed to handle the Truly Big Picture - ljk - 4/8/2005 5:27:00 PM
    - Most humans are not designed to handle the Truly Big Picture - ljk - 4/8/2005 5:26:57 PM
  - I'm going to go up and lay face down on my bed now, with a firm grip on the edges. (n/t) - Tom Brosz - 4/7/2005 5:06:16 AM
    - I think I know how you feel - R.L. - 4/7/2005 8:42:57 AM

Thomas Reiter - Raoul - 4/28/2005 5:32:40 PM

An Odd Coincidence - Adam - 4/25/2005 12:25:49 PM
- re: An Odd Coincidence - LJ - 4/25/2005 6:01:55 PM
  - Easy as PI, (that is if you divide it the right way). (n/t) - SDG - 4/25/2005 7:25:49 PM
    - Thanks SDG.... pi it is... - Adam - 4/26/2005 2:47:45 AM
      - Megayears? - Tony - 4/27/2005 2:09:59 AM
        
        I'm a flamin' Aussie! - Adam - 4/27/2005 10:42:01 AM
        
        What's wrong with imperial units? - SDF - 4/28/2005 1:10:45 AM
        
        Decimal Time - Adam - 4/28/2005 10:41:44 AM

Hubble celebrates 15 years. - RobVG - 4/26/2005 1:25:16 AM
- Hubble rescue mission idea - Tom Brosz - 4/26/2005 5:28:48 PM
  - re: All psychology - Raoul - 4/27/2005 6:57:52 PM
  - re: Hubble rescue mission idea - Doug Ellison - 4/26/2005 8:58:03 PM
    - re: Hubble rescue mission idea - Tom Brosz - 4/27/2005 1:02:25 AM
      - Won't work - Larry J - 4/27/2005 9:05:22 PM
      - re: Hubble rescue mission idea - Sawyer - 4/27/2005 12:03:50 PM
        
        Raoul is right that there's a psychological benefit to a rescue mission - Tom Brosz - 4/27/2005 8:51:59 PM
      - re: Hubble rescue mission idea - gbaikie - 4/27/2005 8:36:12 AM
        
        re: Hubble rescue mission idea - gbaikie - 4/27/2005 5:45:12 PM

Dang, this headline really got my attention. - Tom Brosz - 4/27/2005 8:56:53 PM

Mars rover video sol 200+400 Spirit & Opportunity - Aldo Erdic - 4/23/2005 7:49:12 AM
- Canadian surf music? - LJK - 4/24/2005 1:05:27 AM
  - re: Canadian surf music? - LJ - 4/26/2005 8:05:56 PM
    - re: Canadian surf music? - aldo12xu - 4/27/2005 3:32:12 PM
- Very interesting. - Gary - 4/23/2005 7:44:47 PM
- Great work! - Tom Brosz - 4/23/2005 5:53:20 PM
- re: Mars rover video sol 200+400 Spirit & Opportunity - Sawyer - 4/23/2005 3:16:17 PM
  - re: Mars rover video sol 200+400 Spirit & Opportunity - aldo12xu - 4/26/2005 3:40:12 PM

Mike Griffin's road map to Mars - Gary - 4/22/2005 6:07:50 AM
- I think rocket technology is about as good as it's going to get - SDF - 4/22/2005 5:22:04 PM
  - I still like my idea for a pleated rocket nozzle. - Lee - 4/23/2005 7:49:37 AM
    - re: pleated rocket nozzle. - Tom Brosz - 4/23/2005 5:56:42 PM
      - re: Obviously they fell short, otherwise they'd be in widespread use by now, right? (n/t) - SDF - 4/25/2005 1:00:18 PM
        
        Aerospike engines - Tom Brosz - 4/25/2005 3:18:38 PM
        
        Right. Ok. Well, if something is really complicated, it probably isn't worthwhile (n/t) - SDF - 4/26/2005 12:48:52 PM
        
        Not really what I meant. - Tom Brosz - 4/26/2005 3:10:52 PM
        
        re: And yet.... not a single one has flown - SDF - 4/26/2005 9:19:46 PM
      - Rocket staging - Gary - 4/23/2005 7:31:16 PM
  - Think Planes Instead Of Trains, Or Steam ships Versus Sailing Vessels - Mark Eby - 4/22/2005 10:13:57 PM
- Other good points - dtb - 4/22/2005 6:48:01 AM
  - I agree - Gary - 4/22/2005 7:10:31 AM
    - The 30+ years hasn't been a complete waist. - Scott Evil - 4/25/2005 9:26:45 PM
      - The past 30 years haven't been a complete torso, either (n/t) - R.L. - 4/26/2005 5:10:28 PM
    - re: I agree - dtb - 4/22/2005 3:23:44 PM
      - Once again, I must agree - Gary - 4/22/2005 3:51:29 PM
    - Could the shuttles be redesigned? - Lee - 4/22/2005 7:57:55 AM
      - We definitely need a second generation shuttle - Gary - 4/22/2005 3:42:31 PM
        
        Delicate heatshield? - Jacob Samorodin - 4/22/2005 5:22:47 PM
        
        re: Delicate heatshield? - Gary - 4/23/2005 6:28:02 AM
        
        re: Delicate heatshield? - Marcus - 4/25/2005 4:05:59 PM
        
        re: Delicate heatshield? - Gary - 4/26/2005 4:37:19 AM
        
        More about titanium - Gary - 4/23/2005 8:38:47 PM
        
        Will you quit bad mouthing bean counters. - Scott Evil - 4/25/2005 9:41:11 PM
        
        Just one observation - R.L. - 4/23/2005 11:37:37 PM
        
        SR-71 leading edge - Gary - 4/23/2005 11:55:03 PM
        
        A question... - R.L. - 4/24/2005 12:07:56 AM
        
        Mitsubishi Zero - Gary - 4/24/2005 2:56:57 AM
        
        And others - Larry J - 4/25/2005 1:45:29 AM
        
        P-38 and the Zero - Gary - 4/25/2005 6:33:29 AM
        
        There really weren't that many night fighter P-38s - Larry J - 4/25/2005 1:43:42 PM
        
        re: SR-71 doesnt face re-entry temps... - R.L. - 4/24/2005 12:02:19 AM
        
        Correct... Titanium can not be used on a reentering vehicle's leading edge - Gary - 4/24/2005 2:43:15 AM
        
        leading edge - RobVG - 4/26/2005 2:46:30 AM
        
        No it's titanium - Gary - 4/26/2005 3:51:18 AM
        
        Maybe you're right but... - RobVG - 4/26/2005 4:29:51 AM
        
        There are different flavors of SR-71 - Gary - 4/26/2005 4:48:54 AM
        
        Craziness - dtb - 4/23/2005 11:15:59 PM
        
        From a bean counters perspective, the decision was a slam dunk - Gary - 4/23/2005 11:49:57 PM
        
        Don't forget amortization of R&D costs - Larry J - 4/25/2005 1:52:06 AM
        
        That is a complicated issue - Gary - 4/25/2005 6:22:20 AM
        
        Very complicated - Larry J - 4/25/2005 8:39:16 PM
        
        I stand corrected about the flyoff - Gary - 4/26/2005 3:58:54 AM

Einstein and Darwin: A tale of two theories - Mark Eby - 4/24/2005 3:37:18 PM
- re: Natural selection is derived from human selection (word usage) - SDF - 4/25/2005 1:35:34 PM
- Einstein's Miracle Year on APOD - ljk - 4/25/2005 1:31:37 PM
- Different sorts of scientific debates - Gary - 4/24/2005 6:46:48 PM
  - Interrupting the flow... - Adam - 4/26/2005 3:30:03 AM
    - the point is actually moot... - Gary - 4/26/2005 3:46:13 AM
  - re: Different sorts of scientific debates - dtb - 4/24/2005 8:39:27 PM
    - More about the global warming issue - Gary - 4/25/2005 5:14:32 AM
    - re: Different sorts of scientific debates - Gary - 4/25/2005 4:57:38 AM
      - Even more numbers. - Nick Hoffman - 4/25/2005 6:42:35 AM
        
        Am I doing this wrong? - LJ - 4/25/2005 4:15:12 PM
        
        No, I am! - Nick Hoffman - 4/26/2005 10:15:01 AM
        
        doh - dtb - 4/25/2005 1:18:37 PM
    - re: Different sorts of scientific debates - gbaikie - 4/24/2005 10:14:51 PM

Advancing to quantum computers... - R.L. - 4/26/2005 12:08:47 AM
- re: Advancing to quantum computers... - R.L. - 4/26/2005 12:09:58 AM

Crew return - Raoul - 4/24/2005 9:07:48 PM
- A question - R.L. - 4/24/2005 10:04:31 PM
  - Echoes - Peter Bruener - 4/25/2005 6:41:04 AM
  - re: A solar maximum chart - Tom Brosz - 4/25/2005 4:49:11 AM
    - re: A solar maximum chart - Keith Cowing - 4/25/2005 6:26:22 AM
    - re: A solar maximum chart - Keith Cowing - 4/25/2005 6:15:53 AM
  - re: A question - Keith Cowing - 4/25/2005 12:12:32 AM
    - Drag + timing for crew exchange? - Sawyer - 4/25/2005 12:04:50 PM
      - re: Drag + timing for crew exchange? - Keith Cowing - 4/25/2005 1:13:02 PM
  - Wasn't there a solar activity issue? (n/t) - Tom Brosz - 4/24/2005 10:26:42 PM
    - re: Wasn't there a solar activity issue? - Keith Cowing - 4/25/2005 12:15:22 AM
      - re: Wasn't there a solar activity issue? - Jacob Samorodin - 4/25/2005 2:56:20 PM
        
        re: Wasn't there a solar activity issue? - Keith Cowing - 4/25/2005 3:33:17 PM
    - re: Wasn't there a solar activity issue? - gbaikie - 4/25/2005 12:08:53 AM
- re: De-orbit burn ongoing - Raoul - 4/24/2005 9:27:15 PM

Beating the diffraction limit....Now THIS is COOL!!!! - R.L. - 4/22/2005 5:54:06 AM
- Way cool. Almost science fictiony again... - Robert Clark - 4/23/2005 1:55:44 AM
- re: I don't get it - SDF - 4/22/2005 3:10:32 PM
  - re: I don't get it - phil - 4/22/2005 6:16:08 PM
    - re: I don't get it - SDF - 4/25/2005 12:47:02 PM

"Getting Space Exploration Right" at SpaceDaily - Mark Eby - 4/22/2005 10:36:24 PM
- More insight from Zubrin - a concerned McFly - 4/23/2005 10:21:22 PM
  - re: More insight from Zubrin - gbaikie - 4/24/2005 12:55:26 AM

Fascinating article about NIF and the impressive spin-off benifits- A must read for those that criticize money 'wasted' on big science projects - R.L. - 4/23/2005 3:57:40 AM
- Well, let's look at both sides of the coin, shall we - Sawyer - 4/23/2005 3:36:50 PM
  - I am not denying that the project has serious problems- - R.L. - 4/23/2005 11:31:25 PM

Inducing 'hibernation' in mammals- yeah, I know- it sounds like sci-fi - R.L. - 4/22/2005 6:12:03 AM
- Yeah, it's amazing how often science fiction ideas become fact. - Robert Clark - 4/23/2005 1:49:11 AM
- "cold sleep" anyone? - Sawyer - 4/22/2005 12:00:42 PM
  - Hmmm- I don't know... - R.L. - 4/23/2005 3:30:51 AM
    - Science advances by jerks... - Adam - 4/23/2005 6:29:00 AM
      - :) what I meant was... - R.L. - 4/23/2005 11:15:02 PM
  - BBC News version - Adam - 4/22/2005 12:16:43 PM
    - I have a severe asthmatic reaction to most sulphur compounds - alcaray - 4/22/2005 6:29:17 PM
      - I guess going to Io is out, then... (n/t) - R.L. - 4/23/2005 5:50:47 AM
      - We'll have to upload you... - Adam - 4/23/2005 5:32:45 AM

A choice that should not have to be made - ljk - 4/20/2005 12:30:54 PM
- calling these guys 'short sighted' is an insult to anyone wearing glasses - Daniel - 4/21/2005 4:10:27 AM
  - re: Why does it cost $4 million? - Scott Evil - 4/21/2005 10:40:01 PM
    - It's called "full cost accounting" - Gary - 4/23/2005 8:04:48 PM
    - Doubt NASA can do ANYTHING for less than $4 million - Sawyer - 4/22/2005 12:14:50 PM
      - How much does Deep Space Network time cost? (n/t) - alcaray - 4/22/2005 3:56:33 PM
    - re: Why does it cost $4 million? - p - 4/22/2005 3:20:06 AM
      - Couldn't be just deep space network time... - Scott Evil - 4/22/2005 9:50:52 PM
- Executioner's Song - alcaray - 4/20/2005 5:33:56 PM

Spirit movie of dust devils - SteveS - 4/23/2005 2:30:08 PM

improvement for statitron : - miao bo - 4/23/2005 10:10:20 AM

Getting Space Exploration Right - gbaikie - 4/22/2005 10:58:05 PM
- re: Getting Space Exploration Right - gbaikie - 4/23/2005 1:42:22 AM

Sir Martin Rees on Albert Einstein and his Miracle Year - ljk - 4/21/2005 1:02:00 PM
- re: Sir Martin Rees on Albert Einstein and his Miracle Year - Daniel - 4/21/2005 2:15:19 PM
  - The famous photo does have an interesting story behind it - ljk - 4/22/2005 9:14:50 PM

Not sure what future applications this has, but it is really cool! - R.L. - 4/19/2005 5:39:40 AM
- IR satellites could really benefit from this technology - Larry J - 4/19/2005 1:29:08 PM
  - Looks like this is just taking off - R.L. - 4/20/2005 7:17:42 AM
    - re: Looks like this is just taking off - Larry J - 4/20/2005 1:07:22 PM
      - And then there is this: - R.L. - 4/21/2005 10:55:56 PM
        
        Bit too cold for my milk - Tony - 4/22/2005 7:31:30 PM
      - Solid state lasers are advancing rapidly - R.L. - 4/21/2005 6:37:29 AM
- I like Macrosonix's idea for cooling with sound waves. - Lee - 4/19/2005 7:53:30 AM
  - .. which BTW is also derived from Los Alamos research - Daniel - 4/19/2005 9:27:06 AM
    - Tim Lucas did work at Los Alamos. - Lee - 4/19/2005 7:14:12 PM

Fine structure constant- the details - r.l. - 4/22/2005 8:33:00 AM
- re: Fine structure constant- the details - Sawyer - 4/22/2005 12:45:13 PM

Hubble DVD - Raoul - 4/20/2005 7:21:39 PM
- re: Hubble DVD - ken murphy - 4/21/2005 2:41:05 AM
  - re: Hubble DVD - Raoul - 4/21/2005 5:20:07 PM
    - re: Hubble DVD - ken murphy - 4/22/2005 12:58:56 AM
      - re: Hubble DVD - Raoul - 4/22/2005 5:49:39 AM
  - re: Hubble DVD - Doug Ellison - 4/21/2005 9:33:35 AM
    - re: Hubble DVD - ken murphy - 4/22/2005 12:40:11 AM

Dust Devils! - dtb - 4/22/2005 3:07:38 AM
- Neat picture! (n/t) - Gary - 4/22/2005 5:37:42 AM

« newer topics · page 393 of 740 · older topics »

Recent posts

On this day in Space/Science

Space/Science