Frontiers of Deep Space

Ratings: 8.36/10 from 25 users.


Frontiers of Deep SpaceExplore the revolution in our understanding of the nature of the universe and how it came to be.

Scientists have further narrowed the search for a hypothetical particle that could be dark matter, the mysterious stuff that makes up 80 percent of all the mass in the universe. The video from NASA Astrophysics presents the new results, compiled from two years' worth of data from NASA's Fermi Gamma-ray Space Telescope.

Although no one is sure what dark matter is, one of the leading candidates is a yet-to-be-discovered particle called a weakly interacting massive particle (WIMP). When two of these WIMPs meet, the theory goes, they can annihilate one another and generate gamma rays.

From EsoCast, Dr. J. explores the upheaval in our understanding of the universe brought on by the discovery that the universe is not just expanding, but is accelerating outward at an ever increasing pace.

Was Einstein wrong? Are we missing something crucial in our understanding of how it all began? Either way, this is one of the most exciting scientific discoveries in a long time.

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36 Comments / User Reviews

  1. wald0

    Seems to be a collection of pod casts, not a documentary. Although a few of the pod casts seem somewhat interesting none are long enough to fully cover the subject matter they are about. Impressive CGI though if you enjoy that sort of thing. I didn't care for it myself, everytime i got interested in a topic the next pod cast would start and be about something totally different. I couldn't imagine sitting through three hours of pod casts, each only a few minutes long and about different subjects. After reading the introduction though i think i may have missed something, it seems to describe a doc about one subject, dark matter.

  2. case bone

    Dark matter is probably a modern epi-cycle. Accepting electricity as a force acting upon galaxies there's no need for dark matter and dark energy.

  3. Sieben Stern

    only 10-15% of requests for Hubble get executed? sounds like we need more Hubbles :3

  4. drinker69

    Why don't we send David Cameron out into deep space so he can further enlighten us as to what's out there the way he's enlightened us on whats at the bottom of the sea. He only has to re-fit his little fun submarine for space orbit. Did you pay for Avatar or Titanic? I did. I hope that bum finds a black hole and stays in it.

  5. Quinton Beaudry

    electricity is a force but electromagnetism would not explain particle or nano collection and how empty space holds itself up.. however the math can explain that it is out their we just cant explain it well..
    however do physic math on a black hole and physics has a mental breakdown. infinite to the power of 8 if i remember right. wouldnt infinite suck all of space into it no matter the distance ?... a lil off topic but the fact that the math in physics has its faults is all i mean.. but electricity dosent hold apart what we already know about mass or magnetism or simple electricity.. they just dont explain any of the phenomenon..
    all that we know is its holding everything so all the matter dont collapse in on itself.. however its also keeping space from becoming to big and cooling off..
    so whatever it is its welcomed in my books :D

  6. Dustin Halliday

    * james cameron

    the man you speak of is the british prime minister

  7. drinker69

    Him too.

  8. Mantid

    I say we send Kirk Cameron out there as well, without a suit.

  9. Matt Molloy

    how is this collection of 'coming soon' videos classed as a documentary? some of them are cheesy as hell as well :)

  10. Reuben Boipai

    Who says there is no life in space?
    There is life on earth & earth is in space therefore there is life in space! But what is Life??....
    Same applies here

  11. Craig Nicoll

    sigh.... NOT a doco. its a stooped collection of bits and bobs on youtube :/ ...

  12. tomregit

    "infinite to the power of 8 if i remember right."

    I don't understand; it makes no sense. Infinity is not a number. It cannot be squared, cubed, added, subtracted, or divided.
    Infinity x 2 = infinity.
    Infinity + 2 = infinity.
    Infinity² = infinity

  13. Donald Edward Goodman

    infinity IS a number! A side ways 8

  14. Ricardo Rodrigues

    think of this then ... 2groups

    1,2,3,4,5,6,... to infinity


    1,10,20,30,40... to infinity

    both are infinite... but the first one contemplates more elements then the second one... thus making it bigger... how about that...!!! there are infinities "bigger" then others...

  15. tomregit

    There are infinitely many whole numbers {0,1,2,3,4,...}, but there are more real numbers (such as 12.308 or 1.1111115) because there are infinitely many possible variations after the decimal place as well. (Copied & pasted)

    There MAY be different sizes for infinity. It's arguable, a moot point. However it's not a number that can be added, multiplied, divided, etc.

  16. quiv240sxse

    could our universe be a result of the collision of an ifinitely vacuous universe and an infinitely massive universe in slo mo?

  17. Ricardo Rodrigues

    I know... just wanted to mess up things a little :) guilty

  18. seatbelthoon

    A lot of the explanation for an expanding universe hinges on the red-shift of light (galaxies flying away from us will be red-shifted). But there is an alternative explanation for the red-shift of galaxies - the tired light hypothesis (TLH). It is true that the TLH has been relegated by the mainstream to the dustbin of physics history as a bad joke. However, as physicicists and astronomers keep on inventing new explanations for the unexplainable, I'm having second thoughts about ideas we've trashed. The falsification of the TLH hangs on a number of self-consistent assumptions, such as Tolman's surface brightness test of galaxies, the mainstream's acceptance of relativity theory, the nature and spread of microwave background radiation (MBR), and so on. But I'm not satisfied that the case is closed. A photon traversing the vast distances of space has a likelihood of encountering events that can snuff it out or bleed off energy (entropy? offbled energy needs to go somewhere - MBR, anyone?), to provide alternative explanations for otherwise self-consistent observations.

  19. Scott Whitaker

    They say that the universe is expanding at an increasing rate of speed. Does this mean that the speed of the expansion rate was way slower in the distant past? This confuses me because I have always read that an infinitely small spot exploded into the universe in a trillionth of a second. You sounded like someone who may be able to shed some light on this for me. Thanks very much.

  20. VicFrank

    case bone

    "Dark matter is probably a modern epi-cycle."
    What do you mean?
    If you mean that it will eventually be proven wrong or be refined then there is no if. We don't know what dark matter is.

    "Accepting electricity as a force acting upon galaxies there's no need for dark matter and dark energy."
    I assume that you meant the electromagentism when talking about this "electricity as a force"
    What do you mean? Have you heard of a physicist who doesn't except electromagnetism as valid force in the classical world? Or one that doesn't agree that physical laws by definition are correct everywhere. Here on earth as well as in another galaxy. On scale of a light bulb in your room as well as on scales of galaxies? I know I haven't!

    Either way I think it is safe to assume that 99,9% physicists do accept this concepts and they still need the dark matter and dark energy to try to explain the reality we observ.

  21. VicFrank

    The redshift of galaxies is not a theory but an observational fact. You look at it and it's there and there is no room for interpretation. It is however a different matter what we make of that fact.
    The mainstream interpretation is that since the galaxies are redshifted that means that they are moving away. Arguing with that is arguing with the Doppler effect and not some "redshifted galaxies in expending universe theory"

    Another observational fact is that the further away galaxies are more redshifted they are. In other words whatever direction you look everything is running away and the further it is the faster it's running. In other words the universe expansion is accelerating.

    If we believe this observations and Doppler effect to be correct then there is no room for interpretation left. Wes say the universe expansion is accelerating not because we "come up" with this idea but because we observe the reality to be so.

    I don't know about the TLH so can't comment on that.

  22. seatbelthoon

    If VicFrank chooses to assert the redshift-expansion interpretation as holding true whilst not knowing anything about the tired light hypothesis, then I'm not sure why I should bother replying. However, for the benefit of others...

    Of course the redshift of galaxies is an observational fact, and the further away they are the more redshifted they are. Can't argue with facts. Given that VicFrank accepts the mainstream view hollus bollus as given and doesn't care to find out about the tired light hypothesis, then he wouldn't realize that the TLH can account for the redshift of galaxies that need not necessarily be moving anywhere, and the redshift will be proportional to distance - exactly as per the expansion model. The further away that stationary galaxies are, the more energy will bleed off from the photon (whether by a quantum equivalent of entropy or some other mechanism) to result in a longer wavelength by the time it reaches us. So yes, the doppler effect is an interpretation that people have "come up" with, I suspect, without adequate substantiation (given the whacky interpretations that are currently being entertained in all seriousness).

  23. kwesicello

    Can anyone recommend any other space-related documentaries that aren't on here? I think I've seen all of the ones on this site! :o)

  24. Steven Bailey

    hey kwesicello, the next step for you to take is to look into "The Great Courses" fantastic lectures by the best professors on various topics of science, totally worth the cost. the are much more informative than documentaries while not being as tasking as a real college course. no math, no tests, no requirements, just learning at your own pace. the dvd's are great. i own "introductory to astronomy version 2" which is 98 1/2 hour lectures, "dark matter dark energy" 36 1/2 hour lectures, "cosmology" 36 1/2 hour lectures, "particle physics" 36 1/2 hour lectures, "my favorite universe" 12 1/2 hour lectures. and a bunch more. Once you watch these lectures documentaries will feel empty and inadequate. I totally recommend getting "my favorite universe" 1st and then going wherever your interests take you from there.

  25. Ramus73

    If we do not know the full facts about the universe (what is dark matter/energy) then to say something like red shift is beyond question is a mistake. Maybe dark matter has an effect on doppler readings and therefore the redshift model is wrong. I have a nagging suspicion everything we know about the universe is wrong.

  26. Scott Whitaker, and think of how many other theories in astrophysics that rely on the redshift method being correct. Scary to think about but very plausible in my opinion.

  27. Jhonny Arevalo

    i think the universe is accelerating bc.... of the fact that 14.0 billions or so since the big bang ... the "bang it hasen't yet stop ..or it hasent yet reach its full explosion or full speed so maybe in a few billion years it might start to slow down .....

  28. Mom

    There may be other Big Bangs of differing dimensions(other than the three we know of)that interact with the Big Bang that we know about. And that may be affecting acceleration and speed of expansion.

  29. nebra

    interesting how you can compare atoms with a solar system, solar system with it possible that the universe is spining around the big bang or maybe expanding and spining around at the same time?

  30. mark

    if that doesn't work try going in to the desert with some native american indians and bring along some shrooms and just look at the sky for a few days. you just might find the answers you are looking for

  31. mark

    the other .01% tried the shrooms

  32. mark

    zero ~ zero = become one with everything and nothing. . . . . . . .
    try reading the Tao De Ching then go do some shrooms in the desert

  33. Todd Morrow

    I've never seen time lapse of the milky way through the night. Amazing. Really adds perspective to where we are -- In "Earth drenched in a rain of starlight"

  34. Terry Beaton

    'Infinity' is a word in search of a meaning. Infinity as a concept is beyond our understanding so to put 'infinity' in one box and say that another 'infinity' in another box is bigger, should be seen for what it is, a lot of silliness. Why not try to figure out if one 'nothing' can be less than another 'nothing'? Seriously!

  35. coryn

    Awesome, spectacular work...... Don't miss this one. Enjoy a ride thru space with Chopin playing in the background. A wonderful experience.......

  36. bimbaca

    it's better you update your database, because exists others theorys for that phenomen of redshifting

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