Slashdot Mirror


Herschel Space Observatory Finds Precursors of Life In Orion

ogre7299 recommends an announcement out of Caltech on a milestone for HIFI, the Herschel Space Observatory's Heterodyne Instrument for the Far Infrared. "The Herschel Space Observatory has revealed the chemical fingerprints of potential life-enabling organic molecules in the Orion Nebula, a nearby stellar nursery in our Milky Way galaxy. ... This detailed-spectrum, obtained with the Heterodyne Instrument for the Far Infrared (HIFI) — one of Herschel's three innovative instruments — demonstrates the gold mine of information that Herschel-HIFI will provide on how organic molecules form in space. The spectrum, one of the first to be obtained with HIFI since it returned to full health in January 2010 following technical difficulties, clearly demonstrates that the instrument is working well. ... [The HIFI instrument had previously been offline since] August 2009 when HIFI experienced an unexpected voltage spike in the electronic system, probably caused by a high-energy cosmic particle, resulting in the instrument shutting down. On 14 January 2010, HIFI was successfully switched back on using its spare electronics, with science observations commencing on 28 February."

27 of 142 comments (clear)

  1. Nuke it! by Colin+Smith · · Score: 3, Funny

    It's the only way to be sure!

     

    --
    Deleted
    1. Re:Nuke it! by Jeremy+Erwin · · Score: 2, Funny

      The orion nebula is (very) roughly spherical, with a radius of 12 ly. It's about 1344ly away. Developing the technology to deliver millions of nukes across hundreds of parsecs might well be the sort of stimulus are planet needs to crawl out of this recession.

    2. Re:Nuke it! by Anonymous Coward · · Score: 5, Funny

      pedant:
      are = The second-person singular and plural forms of the verb "to be",
      our = Our is the possessive determiner of the personal pronoun "we".
      Rrr = What a pirate or old sea captain says.

  2. DNA in spaaaaace. by pcjunky · · Score: 2, Funny

    Can pigs be far behind

  3. Re:So, what next? by TheKidWho · · Score: 4, Insightful

    We send a probe? We rejoice in the fact that there is life outside of Earth, that there is strong possibility we are not the only intelligent life in this Universe?

    Also prepare for our new overlords.

  4. Celebrate! by bsharma · · Score: 2, Insightful

    Why rats? we should celebrate it as among the greatest discoveries if we can even confirm something as primitive as a worm. Evolutionarily, the jump from inorganic to a worm is far bigger jump than from a worm to (even an intelligent) man.

    1. Re:Celebrate! by vlm · · Score: 2, Interesting

      Can evidence of even primitive life in galaxies so far away that they may not even exist now disprove all geocentric religions?

      Probably about as well as the existence of native americans wiped out Christianity in 1492. Err, that's not quite how it turned out.

      Considering how televangelists and shortwave broadcasters like to spend money, to blast people whom aren't interested with religious indoctrination, I'd suggest buying stock in companies that manufacture large satellite dishes and high power transmitters. Also expect at attempt at missionary activity (and by missionary activity, I'm not talking about the position).

      Of course there is a bad side, the aliens will probably think we're idiots. On the other hand, if they've been watching TV, they already know that.

      --
      "Science flies us to the moon. Religion flies us into buildings." - Victor Stenger
    2. Re:Celebrate! by Ogi_UnixNut · · Score: 4, Interesting

      The American Breed of Christian is something totally nuts. I'm a Christian, and I can tell you some of those religious Americans I've met scare me. Truly something else, really *really* narrow-minded, extreme fundamentalist and take the bible literally (WTF?).

      I never understood the vitrol some people on /. show towards religion, until I met some of their Christians. It explained a lot, very irritating people, kept shoving god into every discussion or action.

      Note: I'm sure there are very many normal Christians there too, just that a minority really really give the rest a bad name (I hope to god they are a minority).

      And what's with tele-evangelism? It's like they turned religion into some sort of pay-for entertainment. I didn't get it at all.

    3. Re:Celebrate! by MichaelSmith · · Score: 2, Insightful

      But isn't that because the US was originally founded by European Christians who believed that they were more serious about their religion than their peers?

    4. Re:Celebrate! by MartinSchou · · Score: 2, Insightful

      And what's with tele-evangelism? It's like they turned religion into some sort of pay-for entertainment.

      You answered the question yourself, I've just emphasized the relevant bit.

    5. Re:Celebrate! by Kjella · · Score: 2, Interesting

      Can evidence of even primitive life in galaxies so far away that they may not even exist now disprove all geocentric religions? (e.g. the Abrahamic faiths)

      Not any more than evolution has managed to disprove the same religions, I'd wager. Oh there might be life elsewhere, but only man is created directly by God in his image and had Jesus Christ die for our sins. That's the true arrogance in those religions, not whether there's some überpowerful guy who runs the universe but that we humans are so important to him. If we were 7 billion whiny ants to him, God would still be God but religion wouldn't have nearly the same appeal.

      --
      Live today, because you never know what tomorrow brings
  5. Reverse optical psychology by moteyalpha · · Score: 5, Insightful

    I don't know if they have thought of this, but it seems that what is not seen has more meaning than what is seen. If I had the data, I would look to see if the absorption spectrum was different at the primary frequency of the solar emissions and would indicate to me that life was present. I would assume that inorganic materials would have an absorption spectrum which was different from organic life as it uses this energy to manufacture itself. It would seem that this would be generally true in the overall spectrum of the universe and like the cosmic background measurements there should be a signature of the universe without life and one that indicates life. Just a thought.

    1. Re:Reverse optical psychology by nashv · · Score: 2, Informative

      Umm, no.

      1. You are assuming that all life works in the same way, that it will be based directly on absorption of solar energy.

      2. Even if it was happening as such, the amount of light absorbed by life in any part of the spectrum represents an unbelievably small fraction of the total solar output. On Earth, the total radiations received is ~1% of total solar output. And of course, plants use a fraction of that energy. To detect this over cosmic scales, you would need an instrument with sensitivity that is probably not achievable (yet, anyway) due to basic quantum barriers.

      3. The instrument has high spectral sensitivity, you would need to couple that with spatial sensitivity to figure out if there is actually a local region where the spectrum is different. Given that planets are again, very tiny compared to stars , and we are just beginning to observe them indirectly out of our solar system, that seems like a hard call.

      4. Finally, how would you know what the real , unperturbed spectrum of the star? The HIFI can detect signatures in the infra-red which is essentially vibrational and rotational modes of molecules. We know for sure that these organic molecules are far to unstable to exist in the stellar environment. So there must be a pool of it which the light is passing through. Their way is far better than yours because it works.

      --
      Entia non sunt multiplicanda praeter necessitatem.
  6. Re:So, what next? by thms · · Score: 2, Interesting

    We send a probe?

    ... which we don't sterilize properly or which picks up life earth has scattered around the solar system. Then this type of life, which has a hundreds of millions of years head start, kills all the native life. But that might explain the Star Trek nose-ridge aliens.

    I would really want to leave another planet with no interesting life alone so see what other molecular bases support life.

  7. Re:So, what next? by TheKidWho · · Score: 3, Insightful

    Who ever said the probe had to land on the planet?

  8. Re:So that's where he went! by Foobar+of+Borg · · Score: 2, Funny

    God isn't dead, he just moved to Orion!

    But, did God need a starship to get there?

  9. Re:Why did they wait 5 months? by laing · · Score: 2, Insightful
    OK, maybe you are involved in the mission and know more than I. What I do know is that all spacecraft have an expected mission life (anywhere from a few months to 15 years depending upon the mission). Generally when an anomaly occurs there is a balancing act between understanding what went wrong and getting things going again quickly.

    Five months is an awfully long time to spend scratching your head if you've got a redundant string ready to be switched on.

  10. Re:Why did they wait 5 months? by ogre7299 · · Score: 2, Insightful

    OK so their instrument had an upset. That sort of thing happens in space. Why did it take them 5 months to switch over to the redundant string?

    It took them 5 months to switch over to the redundant system because they wanted to be sure that they fully understood what happened with the first failure. The problem was that there wasn't software protection for the critical systems.
    They then had to put preventative measures in place to ensure that it didn't happen to the redundant system; otherwise they would be screwed. The HIFI instrument has some of the most discovery potential and its capabilities cannot be duplicated from earth or and only partly with the SOFIA airborne mission.

  11. Re:So that's where he went! by NEDHead · · Score: 2, Funny

    No. He actually moved there to him. Less work than figuring out how to make a starship.

  12. What we REALLY want to know by 93+Escort+Wagon · · Score: 3, Insightful

    Are they green, and if so - are they female?

    --
    #DeleteChrome
  13. Herschel's seen things you people wouldn't believe by RevWaldo · · Score: 2, Interesting

    I've seen things you people wouldn't believe. Precursors of life off the shoulder of Orion. I watched C-beams glitter in the dark near the Tannhauser gate. All those moments will be lost in time... like tears in rain... Time to die.
    - Herschel Space Observatory's last transmission before deorbiting, November 2019

  14. Re:So, what next? by johno.ie · · Score: 4, Insightful

    If you want to rank life forms according to some arbitrary scale from most to least advanced, you'll find that rats are just as advanced as humans. Their body chemistry is almost identical to ours, they exhibit high intelligence and ability to solve problems. They outnumber humans worldwide, and their high reproductive rate allows them to evolve much faster than us, they probably go through 100 generations for each human generation.

    --
    872835240
  15. Re:So, what next? by migla · · Score: 2, Funny

    Do you know something we don't know about advances in beam-up technology? Of course the probe has to land to get access to the butts to be probed. And butts need probing. Aliens always do that. And in this case, the aliens are us!

    --
    Some of my favourite people are from th US; Vonnegut, Chomsky, Bill Hicks.
  16. Re:So, what next? by Anonymous Coward · · Score: 3, Insightful

    Ok, so lets say we do find life even as advanced as, say, rats. What do we do with that information? Especially if its so far out that we can't possibly make it to that planet?

    We reduce our ignorance as a species. You see, science is about discovering the truths of the universe, regardless of whether or not certain truths are applicable to profitable business plans.

  17. Re:So that's where he went! by Hognoxious · · Score: 5, Funny

    He went in an attack ship, but it caught fire. I've seen it.

    --
    Confucius say, "Find worm in apple - bad. Find half a worm - worse."
  18. Re:Hurry already by turbidostato · · Score: 3, Insightful

    "The moment life is detected else where will once and for end the silly notion of god or religion."

    Because?

  19. Organic Molecules by physburn · · Score: 4, Informative
    Its not exactly new that organic molecules and precursors of life exist in the Orion Nebula. Radio telescopes have found them since the sixties, and the Orion Nebula is an especially easy place to detect such compounds. Still the Herschel satalite, can view Nebula in unpresidented detail.

    ---

    Radio Astronomy Feed @ Feed Distiller