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

Two more test pilots join Scott Crossfield - ljk - 5/3/2006 6:22:38 PM
- re: From Collectspace - Raoul - 5/3/2006 6:42:25 PM

MRO coming up on a month with no press releases or news - Sawyer - 5/3/2006 1:57:21 PM

The Smackdown on Europa - ljk - 5/3/2006 1:27:54 PM

The Millennial Anniversary of Supernova 1006 - ljk - 5/2/2006 7:22:17 PM
- re: The Millennial Anniversary of Supernova 1006 - Raoul - 5/2/2006 7:30:27 PM
  - And from Celestial Delights - ljk - 5/3/2006 1:40:33 AM

From Cassini: Titan, the rings and Epimetheus - Raoul - 4/29/2006 7:35:03 AM
- Cassini Observes Saturnian Waves And Shear - ljk - 5/2/2006 1:16:00 PM

Eileen Collins leaves NASA - Raoul - 5/1/2006 8:27:52 PM
- re: Eileen Collins leaves NASA - Chris Vancil - 5/2/2006 7:50:21 AM
- Links to news items on Ms. Collins - ljk - 5/1/2006 9:24:52 PM
  - re: same Link - Raoul - 5/1/2006 9:53:35 PM

Ten Worlds - SteveS - 5/2/2006 3:41:16 AM

ISS at the zenith and along the Big Dipper! - Raoul - 4/30/2006 9:04:29 PM
- Station Crew Will Try Orbit Boost Again - ljk - 5/1/2006 4:31:18 PM

China to launch first lunar probe next April - Chris Vancil - 4/28/2006 4:15:08 PM
- News on India's first lunar probe - ljk - 5/1/2006 4:29:55 PM

A fantastic color movie from MSG (during the eclipse) - Raoul - 5/1/2006 3:57:19 PM

The large-scale structure of the Universe - ljk - 4/28/2006 7:44:21 PM
- Our Universe may not score a goal any time soon... - ljk - 5/1/2006 3:38:50 PM
  - The Geometry of The Entropic Principle and the Shape of the Universe - ljk - 5/1/2006 3:45:59 PM

Space-related words - Raoul - 5/1/2006 9:19:17 AM

No go for Discovery? - Raoul - 5/1/2006 8:11:58 AM

The Methanol Economy - Chris Vancil - 4/29/2006 4:23:18 AM
- re: The Methanol Economy - Raoul - 4/29/2006 7:00:23 AM
  - re: The Methanol Economy - lance - 4/30/2006 2:51:03 PM
    - re: google - Raoul - 4/30/2006 4:27:48 PM
      - re: google - lance - 4/30/2006 11:15:57 PM
  - re: The Methanol Economy - Chris Vancil - 4/29/2006 10:08:51 AM
    - Geosequestration - Adam - 4/29/2006 11:00:54 PM
      - Why are we worried about CO2 emissions? - SDF - 4/30/2006 4:00:20 AM
        
        You know, I really detest people that enjoy their ignorance.... - R.L. - 4/30/2006 4:08:36 AM
        
        re: You know, your posts are really becoming annoying - SDF - 4/30/2006 5:46:31 AM
        
        The Methanol Economy - lance - 4/30/2006 2:12:15 PM
        
        The real key to a methanol/ethanol fuel economy - Tom Brosz - 4/30/2006 7:16:17 PM
        
        re: The real key to a methanol/ethanol fuel economy - Chris Vancil - 5/1/2006 3:15:20 AM
        
        Full Renewability for the Transportation Sector - SDF - 4/30/2006 3:12:06 PM
        
        Single driver vehicles - Adam - 4/30/2006 9:56:47 PM
        
        re: Single driver vehicles - nick hoffman - 5/1/2006 12:18:39 AM
        
        Or we could just develop our oil shale/sand resources. - Lee - 5/1/2006 2:58:42 AM
        
        re: Which brings us back to Methanol! - Chris Vancil - 5/1/2006 3:06:57 AM

Very few cosmonauts - Raoul - 4/30/2006 8:37:29 PM
- Consider their launch rate - Larry J - 5/1/2006 12:04:47 AM

The comet - Raoul - 4/29/2006 11:45:12 PM
- Thanks for another great shot! - Tom Brosz - 4/30/2006 7:11:25 PM

Alternative fuels - Tom Brosz - 4/26/2006 6:21:43 AM
- Liquid coal - SteveS - 4/28/2006 1:46:53 AM
- re: Alternative fuels - Sawyer - 4/26/2006 2:51:57 PM
  - re: Alternative fuels - JimO - 4/26/2006 3:08:41 PM
- Insurance costs more than gas - SDF - 4/26/2006 10:06:51 AM
  - $250 a month for insurance! Where do you live? Iraq? (n/t) - Tom Brosz - 4/26/2006 3:15:22 PM
    - That's nothing - SDF - 4/26/2006 5:24:03 PM
      - What have you got for a damage deductible? Keep that high. (n/t) - Tom Brosz - 4/26/2006 6:01:46 PM
        
        Find me an all-season, all-weather vehicle that costs less than $100/mth, all costs included - SDF - 4/26/2006 10:55:28 PM
        
        Nothing useful in all weather is going to be that cheap. - Tom Brosz - 4/27/2006 1:20:31 AM
      - Geez... - Tom Brosz - 4/26/2006 6:01:02 PM
      - re: That's nothing - Lance - 4/26/2006 5:26:46 PM
        
        In Australia - nick hoffman - 4/27/2006 10:26:07 PM
        
        That's $333/mth for insurance, a full one-third more than I would have to pay (n/t) - SDF - 4/26/2006 5:31:29 PM
        
        Actually, $333/mth US converts to $375/mth Canadian, that's 1.5-times what I would have to pay (n/t) - SDF - 4/26/2006 5:37:08 PM
- re: Alternative fuels - nick hoffman - 4/26/2006 8:57:56 AM
  - re: Alternative fuels - Lance - 4/26/2006 5:19:21 PM
    - re: Alternative fuels - ljk - 4/26/2006 5:38:09 PM
      - re: Alternative fuels - Lance - 4/26/2006 6:16:42 PM
      - re: Alternative fuels - Tom Brosz - 4/26/2006 6:15:50 PM
        
        re: Alternative fuels - ljk - 4/26/2006 6:25:54 PM
        
        Quantum energy - Tom Brosz - 4/27/2006 1:22:08 AM
        
        5 x 10^113 J/m^3 - Adam - 4/27/2006 12:12:12 PM
        
        enough Worlds??? - Adam - 4/27/2006 10:53:24 PM
        
        Only the lowest energy state is manifested (i.e. Ours) - SDF - 4/28/2006 2:52:12 AM
        
        :) Can you back this up? (n/t) - R.L. - 4/29/2006 6:52:15 AM
        
        Which part? Why cars rust? - SDF - 4/30/2006 4:20:35 AM
        
        Prove it.... - R.L. - 4/30/2006 5:10:01 AM
  - What about burning carbon dust? - REB - 4/26/2006 5:15:18 PM
    - We have laws against perpetual motion machines. (n/t) - alcaray - 4/27/2006 4:09:24 PM
      - Not a perpetual motion machine. There is energy input to get the carbon from the CO2 - REB - 4/27/2006 5:18:09 PM
        
        re: Not a perpetual motion machine. There is energy input to get the carbon from the CO2 - alcaray - 4/27/2006 9:05:54 PM
        
        re: Not a perpetual motion machine. There is energy input to get the carbon from the CO2 - REB - 4/28/2006 12:06:55 PM
        
        rREb, you are wrong about the energy imbalance of refining - nick hoffman - 4/29/2006 6:46:57 AM
        
        To be fair - nick hoffman - 4/27/2006 10:22:08 PM
    - No... - R.L. - 4/27/2006 8:13:44 AM
      - You are essentially advocating 'burning' CO2 to create CO2 - R.L. - 4/27/2006 8:21:15 AM
        
        Conservation of energy? We put more energy into finding, getting, transporting and refining oil than we get out of it by burning it in our cars. - REB - 4/27/2006 1:00:27 PM
    - Try this link. - REB - 4/26/2006 5:17:22 PM
      - One more time - REB - 4/26/2006 5:19:31 PM
  - Milestone Achieved in the Development of Biological Fuel Cells - ljk - 4/26/2006 2:28:22 PM
    - The End of Oil? - ljk - 4/27/2006 2:00:51 PM

Is Sedna giving cues that our Sun is not alone? - ljk - 4/25/2006 6:06:24 PM
- Pioneer 10 and 11 calculated the suns binary decades ago - Eric - 4/27/2006 3:17:33 AM
  - Eric, This is at LEAST the second time you have posted this and had it pointed out to you that it is not true - R.L. - 4/28/2006 6:34:58 PM
  - No, They didn't..... (n/t) - R.L. - 4/27/2006 8:23:32 PM
  - Hardly case closed - Adam - 4/27/2006 12:42:38 PM
- No - Donald - 4/26/2006 12:55:09 AM
  - I should note... - Donald - 4/26/2006 2:12:26 PM
    - Fringe isn't so bad - Adam - 4/26/2006 8:26:49 PM
    - re: I should note... - ljk - 4/26/2006 3:08:59 PM
- Seems unlikely... - Tom Brosz - 4/25/2006 10:28:32 PM
  - Amazing? - Lee - 4/26/2006 5:48:51 AM
    - Black holes do not suck - ljk - 4/26/2006 12:44:06 PM
      - The Binary "Research" Institute - Donald - 4/26/2006 2:05:56 PM
      - re: Black holes do not suck - Marcia - 4/26/2006 1:52:44 PM
- Would be cool - Adam - 4/25/2006 9:26:33 PM
  - Think about how much work has gone into finding MUCH dimmer KBO's - R.L. - 4/29/2006 7:31:12 AM
    - A bit further away - Adam - 4/29/2006 10:39:03 PM
  - A red dwarf? - ljk - 4/25/2006 9:30:56 PM
    - Too bright - Adam - 4/26/2006 8:22:44 PM
      - re: Too bright - ljk - 4/26/2006 8:33:32 PM
        
        stretching credibility a bit... - Adam - 4/27/2006 12:40:15 PM
    - One way to look for nearby brown dwarfs - and does anyone remember Nemesis? - ljk - 4/26/2006 5:43:33 PM

"...could have been a meteor... " - Jack Herer - 4/29/2006 10:17:03 PM

Schwassmann-Wachmann through the HST (1MB) - Raoul - 4/27/2006 6:51:10 PM
- Beautiful shot of the separation - SteveS - 4/28/2006 1:34:49 AM
  - did you mean to post that... - podrock - 4/28/2006 3:05:42 AM
    - OK, Iâ€™m puzzled - SteveS - 4/28/2006 12:57:54 PM
      - sorry, - podrock - 4/28/2006 2:43:47 PM
        
        Don't be, it was a good jest. Was just trying to pun along ;-) (n/t) - SteveS - 4/28/2006 11:02:39 PM
        
        Darnit - there goes my weekend plans! - ljk - 4/28/2006 3:35:08 PM

Quasars and Galactic Nuclei,a Half-Century Agitated Story - ljk - 4/28/2006 7:43:23 PM

Meteorites and moonrocks - Raoul - 4/24/2006 5:40:17 AM
- any info about what was revelead? (n/t) - dd - 4/24/2006 1:38:52 PM
  - re: info - Raoul - 4/24/2006 6:45:32 PM
    - re: info - ljk - 4/25/2006 3:23:48 PM
      - Checking Apollo seismic data for past meteorite hits on Luna - ljk - 4/28/2006 6:52:13 PM

Super NEO Detector - phil - 4/28/2006 2:23:20 PM
- By amazing coincidence.... - R.L. - 4/28/2006 5:21:32 PM
  - re: By amazing coincidence.... - phil - 4/28/2006 5:36:22 PM
    - Yup... - R.L. - 4/28/2006 5:50:38 PM
      - How about a PAN-STARRS@Home? - ljk - 4/28/2006 6:20:06 PM
        
        Well, we are talking about MANY terabytes - R.L. - 4/28/2006 6:38:52 PM

Study Reveals Young Mars Was A Wet World - Chris Vancil - 4/20/2006 10:30:21 PM
- Not surprised - Donald - 4/21/2006 4:19:54 AM
  - re: Not surprised - Chris Vancil - 4/21/2006 5:25:10 AM
    - re: Not surprised - Donald - 4/21/2006 12:39:00 PM
  - If I may... - Donald - 4/21/2006 4:47:57 AM
    - re: If I may... - Robert Clark - 4/21/2006 11:09:02 PM
    - re: If I may... - Chris Vancil - 4/21/2006 5:43:17 AM
      - Actually, I think that's improbable - nick hoffman - 4/21/2006 7:55:54 AM
        
        re: Actually, I think that's improbable - Chris Vancil - 4/21/2006 2:36:38 PM
        
        I Beg to differ - nick hoffman - 4/21/2006 8:42:36 PM
        
        re: I Beg to differ - Chris Vancil - 4/21/2006 9:13:10 PM
        
        Instead of hoping for weak little Earth-like creatures just barely surviving under some Martian rock... - ljk - 4/21/2006 5:08:00 PM
        
        re: Instead of hoping for weak little Earth-like creatures just barely surviving under some Martian rock... - Marcia - 4/22/2006 2:45:26 AM
        
        Of course they survive... - Adam - 4/25/2006 9:31:24 PM
        
        re: We work from what we know to what we can imagine (unless we are writing SF). - Chris Vancil - 4/21/2006 8:52:59 PM
        
        re: We work from what we know to what we can imagine (unless we are writing SF). - Robert Clark - 4/21/2006 10:48:14 PM
        
        re: Instead of hoping for weak little Earth-like creatures just barely surviving under some Martian rock... - Lance - 4/21/2006 7:33:50 PM
- re: Study Reveals Young Mars Was A Wet World - phil - 4/21/2006 2:23:15 AM
  - Ephemeral atmospheres - nick hoffman - 4/21/2006 8:01:33 AM
    - re: Ephemeral atmospheres - gbaikie - 4/21/2006 1:45:30 PM
      - It's a bit more complicated than that... - nick hoffman - 4/21/2006 8:38:42 PM
        
        re: It's a bit more complicated than that... - gbaikie - 4/22/2006 1:40:22 AM
  - re: Comets shower - Raoul - 4/21/2006 5:46:53 AM
    - re: Comets shower - Marcia - 4/22/2006 2:56:57 AM
  - re: Study Reveals Young Mars Was A Wet World - Chris Vancil - 4/21/2006 5:35:22 AM
    - re: Study Reveals Young Mars Was A Wet World - Marcia - 4/22/2006 3:00:18 AM
    - Solar mass loss models - Adam - 4/21/2006 11:59:35 AM
      - Reference... - Adam - 4/21/2006 12:48:09 PM
- re: Study Reveals Young Mars Was A Wet World - bruced - 4/20/2006 11:52:24 PM
  - re: Study Reveals Young Mars Was A Wet World - Thanks! - Marcia - 4/22/2006 3:12:22 AM
    - re: Study Reveals Young Mars Was A Wet World - Thanks! - Marcia - 4/22/2006 3:26:55 AM
- Yes, battery acid is "wet".... - Jacob Samorodin - 4/20/2006 11:06:09 PM
  - re: Yes, battery acid is "wet"...snottites. - andrew - 4/26/2006 5:57:36 PM
  - re: I can only surmise you didn't happen to read the article. (n/t) - Chris Vancil - 4/21/2006 5:32:44 AM
    - Life-Marker Chip Planned For ESA Mars Lander - ljk - 4/25/2006 2:39:41 PM
      - re: Pretty cool...thanks! (n/t) - Chris Vancil - 4/27/2006 6:49:09 AM
        
        Astrobiology Strategy for the Exploration of Mars Conference in Washington, D.C. on May 10-12, 2006 - ljk - 4/28/2006 6:30:02 PM

Giant telescopes coming - Laurie Street - 4/26/2006 9:04:20 PM
- The laser techniques are the greatest thing for ground based astronomy since adaptive optics.... - R.L. - 4/26/2006 9:45:11 PM
  - Megascopes in February issue of Discover magazine - ljk - 4/27/2006 2:44:59 PM
    - re: Megascopes - Raoul - 4/27/2006 7:58:52 PM
      - re: Megascopes - Laurie Street - 4/27/2006 9:23:49 PM
        
        Constraining the Adaptive Optics Point-Spread Function in Crowded Fields: Measuring Photometric Aperture Corrections - ljk - 4/28/2006 3:06:45 PM

« newer topics · page 300 of 740 · older topics »

Recent posts

On this day in Space/Science

Space/Science