Are nebulae actually this colourful? What does Hubble really see?

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Thanks to the Hubble Space Telescope, we have seen nebula like never before. But are they really as colourful as Hubble makes out?

Anima – You are Truth

  1. Just John

    This is beautiful and all but my wish is to be alive to see a comet in the sky bright and clear like a second moon

  2. James England

    I love your videos, especially the great images! Oh wait- they’re basically photoshopped… by the government. :)
    It’s when it gets into theory that most astrophysics begins to sound like science fiction. For example, we have your facts on the extremely sparse density of nebula gases. Yet we’re supposed to believe that they can somehow violate all gas laws in the vacuum of space and coalesce into bodies so extremely dense that they ignite nuclear fusion on a grand scale. I say the very opposite, and what comports with the laws of physics, is true, and that these gases were expelled from dying stars or other causes, and that the reverse is impossible.

  3. Gary Peatling

    Also a shift towards red occurs because moving away so fast so most would be red

  4. Fijiboi

    Mass effect horsehead nebula 😀

  5. Peace for All

    HELP! At 6:28 there are some unusually shaped objects in the top left-hand corner of the picture–there is a slight hole in the middle and then a ring around that and then another see-through ring around that before a final ring around that again– does anyone know what these are? Thanks!

  6. Binra

    These gases are ionised plasma that makes up about 99% of the physical matter in the Universe.
    The electrical force is about a billion, billion, billion, billion times greater in magnitude than gravity – and the volumes of what we call ‘space’ are likewise vaster than our general human comprehension. The contributions of plasma physics to a new understanding of the Universe are to a significant extent blocked or pushed out by gravity models.
    However, those who align in the new perspective do not have to make lots of dark fudge and very silly conjectures as to why nothing is as the model predicted.

  7. AJAY

    I will buy telescope in future for see this

  8. E. C.

    When I look at Andromeda Galaxy or Orion through a telescope, I mostly just see white light, and maybe a little bit of yellow in Andromeda. and maybe a little bit of blue in the Orion Nebula. But my camera picks up the yellow and blue in Andromeda and the red and blue in Orion – I assume it’s spectrum is slightly larger than our eyes.

  9. TropicalCoder

    You say “Electricity ionizes neon in the bulb causing it to light up” as you display a sign that employs xenon. Neon emits red.

  10. noeldenever

    Ah..another astrum post to pop some color into my dreary day. I’m kinda sad when it ends around the 7th minute. Wish it could be longer. But that’s ok, I’ll just go to the hubble image playlist now. Cheers and have a good day, Alex!

  11. Conium Maculatum

    Nebulas are remnants of dying stars. A nebula can give life to thousands or hundreds of thousands stars. So, how many stars had to die in order to create that colossal nebula in the first place?

  12. Danny Dazzler

    If you were a dust particle, would you rather be trapped in the burning inferno of a star for billion years or blown into a mega void for eternity?

  13. Mark Ahlquist

    How’d they look if we were insects? If we were blind? If we were superman? Seems to me the “false” colors are more true, in a sense.

  14. Mai Mariarti

    The universe is not that big. we are that small.

  15. Douglas Dea

    So, if I got into a starship and flew out to these nebulae and parked 10 ly or 5 ly away, or even inside, and looked out a window I would see… what? Colored clouds? Or would I be too close to see them at all?

  16. Ronald West

    Thank you for showing God’s masterpieces.

  17. Lukapo

    I am gonna get my first telescope soon, and i can’t wait to see these beauties, of course i know that with the naked eye you see way less, but i just want to see even a few of their photons

  18. John F

    You might have mentioned. Hubble pictures start out as shades of black and white. Individual images from Hubble’s cameras retain no color information as such, other than the color of a filter, which selects a range of wavelengths from the full spectrum of light. A black and white (monochrome) image most realistically represents the range of brightness in such a single image. Just a little clarification.

  19. Clutchyfinger

    It always boggles my mind that we can literally make filters that detect elements thousands of light years away, but there are people that claim we dont know enough about simple co2 to know it traps heat and makes the oceans hotter. Ignorance is a disease.

  20. Jacob Hazekamp

    Space is so interesting. I wish I had the time to see all this stuff.

  21. LemonLadyRecords

    I used to have a Celestron C-8 telescope, and by far the most colorful object I ever observed was the Orion Nebula. Just astounding reds, blues, purples. Far more colorful than anything I observed in our solar system (everything but the Moon required long photo exposures to get full colors and detail). Goes to just how much energy and scale nebula have. I was awestruck. I ‘think’ you can even see it with ok binoculars on a clear, dark night away from city lights.

  22. Phil M

    I remember when I first saw an image of the Horse Head nebula. Even now, all these years later, it’s still difficult to take on board just how massive they are. Thanks for your insight. Amazing!

  23. Mark16:15

    I recall visiting the McDonald Observatory in West Texas where there were some large commercial telescopes (maybe around 12″ mirrors) available to look through to see nebulas in the night sky. They pretty much were black and white and shades of gray. To be honest, I was a little underwhelmed and disappointed.

  24. Andrew Hickman

    The thing you always see in sci-fi are these solar systems and planets bathed in the light of a huge nebula. I always wondered how much artistic license the production team were adding to the look of these places. What would our world look like if it was right next to the horse head nebula for example?

  25. Maruchan Nuudle

    Okay say yeah the colors aren’t real, but what a simple yet efficient af way to know what the particles are and in what concentration. That means if an RGB splits as separate overlays, the white would be a visual concentration of everything in high volume, but in a flatted 2d perspective because of the heat mapping. Sick🤘🏽

  26. Bryan de Paepe

    Was hoping that you would mention that our solar system is in a nebula called the Local Bubble.

  27. R_ TheKingSlayerX

    Cool video bro

  28. Harry Partington

    Love every one of your videos :)

  29. Earl Spencer

    Why is Orion upside down?

  30. Yousef Ali

    In other words, computer composites

  31. Mike Ivy

    Aren’t these shot in infrared?

  32. Liquid Flames

    The process reminds me of some of the fractals I used to make. Take the same image, color it differently a few ways, then combine all those together.

  33. Marcel Seifert

    The pics are coming from Sofia and not Hubble!

  34. Rob Sin

    Worlds without number.

  35. Euclides Polanco


  36. Matthew Jones

    What is the real color?

  37. Thanos


  38. Mike Furman

    thanks Alex. Hey, could you do a video about the taurid meteor stream. Thanks.

  39. Rick Allen

    I’m curious, are these the emission bands that we see in the lab, or are they corrected for the “stretching” of the wavelengths due to overall expansion of the universe? If the latter, then are each nebulae corrected for their specific distances from Earth??

  40. Liquid Flames

    This is why this is my favorite channel on YouTube. I knew the images were composites but I never stopped to question the meaning of the colors. Great video.

  41. Just Some Guy without a Mustache

    Nebulae are one of the most beautiful things in this universe

  42. Luiz Gustavo Rodrigues silva


  43. Kari

    What nebulae is that at 0:23? The left side of it kind of looks like a massive hand and part of the forearm. Its like the hand of God. That, or it’s of a Space Giant!

  44. Adventures with Dogs

    I always knew that the matter in nebulae was sparse, but never realized just how sparse!
    Guess even the world’s smartest man (me!) can learn something new!


    It sees black and gray and white what else ! You meant to say What does the computer see 😂

  46. last shadow

    You ruined nebulas for me.

  47. Christian Rowe

    Do those nebulae appear more red because of red shift? What would they look like if we traveled there?

  48. Johnny NiteTrain

    22 people are color blind

  49. James Hilins

    In short, No

  50. Feynstein 100

    So no 😂

  51. Marcus Aurelius

    Thank you for being awesome!I love how you present information.

  52. Holl E. H.

    Pronunciation guide…
    Ne-bu-lah is singular. (Nebula.)
    Ne-bu-lay is plural. (Nebulae.)

  53. Laura G

    Nebulas are gas, what would one smell like if we could breath it in?

  54. Ged Woods

    What about sand

  55. IB Hunter

    The nebulae are very colorful right out the camera with no filters. All it takes is long exposures. The clean the noise from the long exposures, we take a lot of them and stack them. The images are beautifully colorful!

  56. AUSTIN barnhart

    keep making these awesome videos

  57. Maria Murphy


  58. Light Owl

    When and where does size start or begin that determines the size of the rest?

  59. Essene Gnostic

    Hubble is a hoax.

  60. Syed Ali

    Who knows but have to trust Hubble.

  61. Mark IT Geek

    Depends on what kind of “eyes” you have.

  62. Democritus86

    Hold on a sec 4:09, i see the Hydroged spectrum,is this why we only got blue/white/red stars?

  63. AUSTIN barnhart

    if u make a video about skyhooks i’ll join your patreon.

  64. Wessthemess 117

    What about the eye of terror? Lol jkn

  65. 宮路次郎

    informative. Thank you very much.

  66. Travels & Chases

    I am awestruck by your videos. Outstanding !

  67. Raul JR Lara

    Astrum . One of my fav channels

  68. zaini ikhwan

    The colour out of space

  69. Daniel Shade

    Wat to be accurate as a rare occurrence on this space

  70. Dreamrider

    Great clips. Since you asked for ideas for videos; you may have done this before (new subscriber here), but have you done one explaining red shift calculations and heir meaning?

  71. dungbeetle

    Great video. Thank you!

  72. Jason Snowden

    Fantastic, awesome video, thanks!

  73. databang

    I enjoyed this.

  74. SnoopyDoo

    I like looking for images inside of clouds. At 3:13 on the left, I see a dog with two small black eyes, a big round nose and his mouth just below his nose.

  75. Cha Kra

    Pure natural cosmic divine art 👩🏻‍🎨

  76. George K.


  77. jack dasilva

    Is that steppenwolf at 5:07???

  78. Eric Sholomon

    How many times did the enterprise take refuge in a “dense nebula” to escape an alien enemy. Sorry captain, there are no dense nebulae in space, we’re sitting ducks

  79. Ikke

    If learnd something today! 👌🏼

  80. Scott N

    Ahhh one of my favorite nebula pictures. PBS spacetime loves it too.

  81. Aldebaran80

    Will you upload a video about Keops satellite of ESA? It will launch on december 17th

  82. Carp Andrei

    Awesooome! By the way… The thumbnail image… Can I download it from somewhere? It would make an awesome desktop wallpaper!
    Great work! Keep it up!

  83. TankingShaman

    “To give you a sence of how little that is a comparable cubic cantimeter of water containts 10 quintilion particles”. Thanks, that… that helped :P

  84. Kari

    Awesome video. Loved it. Just one thing, I was wondering why birds chirping were added to the background music around 0:36. Space birds flying threw the nebulaes?
    *Nothing can quite compare with simply looking up at all the shimmering stars studding the vast dark blanket of space, all through the glass roof of my spaceship, while listening to the birds twit n sing.*

  85. shanos antwanos made my day

  86. SupraSonic snk

    I always wondered this, thanks astrum

  87. charjl

    Excellent video as always. This is easily one of the best space channels

  88. 60FramesOrBust

    2:43 I see a person

  89. Dark Silver

    have wondered this for years lol. you make amazing videos man.

  90. Rahul Raiwade

    Thank you so much for all your videos, I would I am the most excited person whenever I see your new videos. Because they are so good and you explain then very well. Thank you

  91. Babyccino Au

    i would image a cloud of dots, or 1010001001001 in the feed

  92. Debbie Moore

    That was beautifully explained thank you

  93. Mark Dempsy

    Well done . keep those cool videos coming . I enjoy watching . Thank you !

  94. CrankyPants

    Amazing video, as always. Thank you for sharing this with us.

  95. Last Guardian

    Used one of my favorite chillstep tracks in the background, fit very well with the pictures.

  96. John Smith

    This is a channel that is worth to watch! always scientifically sound and educational at the same time. Thanks

  97. The Exoplanets Channel

    Excellent video. *Planetary nebulae* is my favourite one!

  98. ComradeCucumbers

    I think this video shows a good glimpse of what the universe really looks like, a lot of red.

  99. nitramyar

    Another great video. It always bugs me how nebulae are portrayed in movies and TV, as if they’re like dense clouds on an Earthly scale.

  100. Logical Conservative

    Natural color photos of nebula are just as colorful — especially planetary nebula. I should know. I’ve taken them myself. In reality, they’re very dim, and invisible to the naked eye, so we just boost the brightness of them.

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