Our Solar System’s Planets: Mercury (2020.10.17)

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Almost everything you could want to know about the closest planet to the Sun, Mercury. Real HD photos and videos taken by the MESSENGER probe. We discuss the orbit, climate, geographical features, and general physical characteristics or Mercury, and a lot more.

Image Credits: NASA/MESSENGER/Space Engine

Craig Conrad – Nova https://www.craigconard.com/

Tags: mercury, planet, nasa, solar system, our solar system’s planets, astrum, astrumspace, magnetic field, magnetosphere, exosphere, rotation, orbit

  1. Mary Wright

    The most informative and interesting video as usual. Thank you

  2. MrDW-

    I know it’s a good day when I see a new Astrum video. Love your content and the production. Thank you so much!

  3. Rudi van Starrex

    Mercury the messenger .. astrology

  4. Anton Cronje

    Fascinating. Thank you very much.

  5. Mr.Pianist

    CONGRATS ON 500K SUBS! I’m one of them! Your content is amazing and that’s why you hit this milestone!

  6. Petru Dan Mandru

    I like it METAL \m/ By the way, great video !

  7. cannibalbananas

    🤔 I can’t be the only one who barely noticed a difference between the true color and b&w picture.
    Also, the video of the sunrise/sunset from the surface was pretty cool. 😯

  8. Torennto Sukotto Bātonn

    It’s kinda scary thinking that earth could look like mercury someday

  9. Lilit & the SunShine Band

    Norman Bergrun what about this guy !

  10. Phas Low

    Your visuals explained this very well. Thank you and all the best!

  11. Jim Jumbolia


  12. Jamin

    At 0:51 what is the thing between Mars and Jupiter? 🤔🤔

  13. Zett Darkstone

    maybe a core of a planet? most of the stuff striped by the sun

  14. Grzegorz Kapica

    499k subs. Half a milion today?

  15. nitramyar

    A new Astrum video, even a redux, is always good news.

  16. Masuda Parvez

    This 10 minutes video teach me more than My Teachers and School.
    Thanks Astrum

  17. G. Brent Wilson

    What about how its orbit can’t be accurately explained by Newtonian physics and it took Einstein to explain its orbit? Pretty cool. Great video, as always!

  18. L C

    This video series never gets old, I’m looking forward to the rest of the remasters and thank you for your great work!

  19. The Sly Fox

    Appreciate the remaster but just wanted to point out that all your videos (new and old) are top quality, please keep it up!

  20. Nik. Igor

    Thank you so much! Your channel is one of best about the solar system.

  21. Strange Koi

    These are my favorite episodes!

  22. saitamablackgoku28

    Wonderful video to watch after getting off work

  23. Trance Emerson

    OMG… the moon isn’t just gray…

  24. Randy James

    Phenomenal graphics and editing, Astrum!
    ½M subscribers soon!

  25. Trevor Jones

    Insane, as per usual

  26. gcjerryusc

    Was interesting. Wish you had talked about water ice on Mercury.

  27. p ra f ul de v

    Thank you for refreshing old videos with updated data and visuals.

  28. Daphnis 26

    Would it be crazy for a future civilization to combine several celestial bodies into the right size / density & location to make it a habitable world?

  29. Josiah Ricafrente

    Thank you, good sir, for continuously reawakening my childhood fascination with space and astronomy with ever upload.

  30. Emrah Okumuş

    Wonderful work yet again, Alex. Thank you so much, that was a good brain exercise.

  31. TulyMoody

    Loved those old planet videos! Glad to hear you remaster them

  32. Eugene Pakhomov

    Thanks for the video, definitely learned something new about Mercury today!

  33. Jason Engel

    Great video, interesting stuff about the sun rise and sun set

  34. Engelton182

    the Universe gets Updated all the time so please do remaster

  35. Mummu Great

    time flies man I remember watching that video that same week… life is too short…

  36. Abhijit Dhar

    Everytime I see a video of yours it makes me dumb that I have to go miles ahead

  37. キース Kīsu

    *Mercury is the mostest closest to every planet in the solar system.*

  38. Jack TheLad

    Fascinating. Watching your cool graphic at around the video’s 8 minute mark, we see that the surface temperature is survivable for a human, for about 10 earth days. If that were the only consideration of course, but the atmospheric pressure is close to a vacuum, so we could never exit a spacesuit or vehicle, right?

  39. Bush

    I went out side day. Did you see mein the pictures.

  40. Sherylin

    Wow 6 years already? Been watching you a long time LOL.
    So are you redoing all the planets etc but with new information?
    EDIT: Woohoo, ok looking forward to the new planet videos :) And I won’t mind if it takes more than one video per planet either. :)

  41. John Calahan

    I love to look at mercury with my telescope. I love to stargaze

  42. Maria da Luz Moutinho

    Estes vídeos são sempre interessantés!! É incrível de algum modo semelhante ao único satélite natural da Terra..A Lua e não tem satélites naturais …é um planeta metálico e órfão e o mais pequeno!!! E tem uma história geológica enorme…Parece estático e um excêntrico….Como interior pode afectar este planeta?!!!

  43. Konstanley Jerknov

    It’s funny, I recently binge watched your videos on the planets in our solar system. I got all the time for new/updated videos on those. Hell anything else you upload.

  44. WF B3

    Another good one! 👍🏻😃 To this earthling that bit about the sun, from Mercury’s vantage point, rising then going backwards a little before moving forward blew my mind. Can’t imagine standing on Mercury’s surface and seeing this. Whew! 🤪🤔🤯

  45. Snowfall Thecat

    Still waiting for a Mercury lander!

  46. Arthur de Winter

    Breaking news: liquid mercury has been found on mercury!

  47. David Murphy

    1:18 How many people actually see colour here?

  48. The greenmapper

    Imagine if mercury and the moon switched places

  49. Rod Anderson

    I believe I read recently where Mercury’s 70% metal content has some people wondering if Mercury is the remaining core of what was once a much larger planet. Maybe the collision with the giant astroid blew everything else away 🤔??

  50. JeKijkbuis

    1:31 I think this is a beautiful picture. I have it as wallpaper and optimized it with more details and saturated colours.

  51. Orange

    As always I’ve really been enjoying watching the video. Am lookin forward to the remastered episodes! This refreshed so much knowledge in my head, thank you!. Cant wait for BepiColumbo to arrive. We need to talk more about mercury.

  52. Eric Cartman

    One side is very hot, one side is very cold. Sounds very much like my wife…

  53. H TIZ

    I was going to say that u already did this. But now I’m happy ur doing this again!!

  54. Amethyst Z

    I heard of a theory that Mercury was perhaps much larger, but due to forces (maybe a collision or due to the sun) it lost a lot of material. So, it used to be larger but what is now left is more of the planet’s core than the original thing. Anyone have any insights on this? Because I find that theory very interesting.

  55. Justin Halladay

    I’ve always found it fascinating that Titan has such a thick atmosphere for it’s size. Mercury would also retain and atmosphere if it were not so close to the Suns solar wind.

  56. The Mad Man

    You forgot to mention that Mercury is, on average, the closest planet to all of the planets

  57. AJigglyCupcake

    On Average it’s also the closest planet to Earth

  58. AstroFPV

    Congrats on half a million subs, hope you do a video about Ganymede one day

  59. Rômulo Pereira

    So, there’s no moon in mercury? Interesting, as his superficial gravity is just less of Mars I would imagine there should be moons there

  60. Alexis de Guzman

    Looking forward to the remasters of the other Planets! Really love your videos 😊

  61. MOLE

    Wow imagine one day humans WILL be standing on mercury seeing this

  62. Willy Ajax

    Thank you Alex for your hard work
    I was hoping you’d get into Mercury’s interactions with Jupiter… I read somewhere that these interactions will cause Mercury to enter into an orbital resonance with Jupiter which will eventually end up ejecting Mercury from the solar system.

  63. obilesk

    1:17 Management needs you to find all the differences between these photos…

  64. मयंक . Mayank

    This increased my fascination for the planet Mercury. It’s such an awe-inspiring world.

  65. Saheem

    2nd after astrum himself

  66. Erik Perik

    EVERYTHING in this video is an image of the Messenger probe?

  67. Dalton Lowe

    Never knew mercury had water ice. I guess with it being closer to the poles, along with mercury hardly having an axial tilt and somewhat of an magnetic field that water is relatively safe…

  68. cyndi afflerbach

    A comparison of the moon and mercury size wise would be cool, also, would the sun look much bigger because mercury is so much closer to it? Things I must know…

  69. freddan6fly

    Keep up the great work and congrats in advance for breaking the 500k sub mark.

  70. Asahi Orbit

    Outstanding quality, Astrum! I can imagine new Astronomy students learning from this video, great job👏 I can’t wait for the other videos to come out!


    If you show this pictures and ask what is it most of people will say the moon they are quite similar

  72. Arthur de Winter

    Mercury is kinda the same as the moon but its a lot hotter

  73. kirby march barcena

    I didn’t expected that Mercury is smaller than Ganymede and Titan, I hope no one will petition for Mercury to be a dwarf planet

  74. 3Slippers

    That’s a lot of metal, could that mean it’s the remnant planetary core of a former gas giant?

  75. Chris Smit

    That is a great idea to redo the existing ones..

  76. welfare logistics

    Mercury is like a long lost brother of our Moon.

  77. Space Malaysia

    Imagine if Mercury was Venus’s moon…..

  78. Astrum Español

    Ah, yes, I should redo this video too, as many of my viewers have complained that they don’t like the music I chosed

  79. Ashton Gilmore

    So when my teachers called me dense, they were just saying i was planetary right?

  80. Roydug123

    Your demonstration of the day being twice as long as the year was excellent.

  81. Kalko von Schpritzendorf

    Everything I’ll show you is real pictures or video taken by a probe.
    Next shot: top-down look on The Solar System :D

    But the audio quality is so much better, nice reupload. Keep up the good job, Astrum.

  82. Astro - FPV

    Very interesting and very well done.
    I think that you should do a video about all dwarf planets from the solar system

  83. Melødy Uni UwUz

    You are so close to 500k!

  84. #1 Tako

    Me: Hasn’t he done this video before? Sounds exactly the same except the audio is better recorded.
    Alex: I’m planning on remastering all of my the old planet videos.
    Me: Excellent!

  85. matt w

    Fascinating video made so much better by a well paced and “easy on the ear” narration.

  86. Fernando Schuindt

    Our Moon has colors as well, just check the so called “true color” pictures of the Moon that some astrophotographers take. It actually shows that there’s a lot of oxidation on the surface of the Moon.

  87. MMO Archives

    imagine hooking mercury up to electrical cable, unlimited power

  88. मयंक . Mayank

    The audio and the graphics feel so much better than the older version. We all improve and advance with time; the channel’s come a long way.

  89. Meloveulongtime

    The giant crater on Mercury would be amazing to see IRL

  90. sulijoo

    Didn’t Mercury also help to confirm General Relativity?

  91. Joey Lee

    Can’t wait to see the rest of the videos in this series!

  92. Question Everything — Tho

    “I am just a child who has never grown up. I still keep asking these ‘how’ and ‘why’ questions. Occasionally, I find an answer.”
    ― Stephen Hawking

  93. Omega157

    I’m glad your remastering this series, so much more has been found since the original

  94. Kaja Ristić


  95. Wayne The Seine

    Interesting. We need to send a lander.

  96. As good as goose

    The world’s most difficult selfie.

  97. Yaddahay smarmalite

    We need to take the picture of earth again. You weren’t smiling.

  98. Youcef Dorbane

    On Mercury a day lasts 1,408 hours. Just like every Monday 🙄

  99. TheEdgeOfTheCoin

    So, Mercury is 70% metal?

    _headbanging intensifies_

  100. Astrum

    Note: This is a remaster of the original Mercury video that I made about 6 years ago (crazy how time flies!). Here’s the original for a comparison: https://www.youtube.com/watch?v=m3ZUhpisWeQ
    Here’s the patch notes for the remaster:
    – 60fps instead of 30fps
    – Updated crappy CGI of Mercury’s orbit with Space Engine footage
    – Updated information where applicable
    – Fixed grammar mistakes
    – Totally re-recorded the audio
    – New music
    – New visuals showcasing Mercury’s magnetic field and its interaction with its exosphere and the solar wind
    – New views of Mercury’s North Pole
    – New views of recent Mercury transits
    – Space Engine view of the rotation and orbit of Mercury
    – Closed captions now available (previous video only had auto-generated captions)
    – Pacing changes
    – Other minor changes

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