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[记录] NASA发布30分钟太阳4K视频-前所未有的震撼-完整版[2160P/MP4/9.82GB]

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发表于 2021-3-7 20:59:57 | 显示全部楼层 |阅读模式

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日前,美国国家航空航天局(NASA)公布了一段标题为“NASA Thermonuclear Art – The Sun In Ultra-HD”的太阳视频,这段长达30分钟的视频达到了惊人的4K画质,给人们带来一种前所未有的震撼!
这段视频画面由NASA的太阳动态观测卫星(SDO)拍摄。SDO于2010年2月11日发射,每天24小时对太阳进行观测。NASA介绍称,SDO捕捉到的画面涵盖了太阳10种不同的波长,每种都显示了太阳物质的不同温度。反过来,太阳物质的不同温度能标示太阳活动,如太阳耀斑、日冕环等。
太阳活动往往会对地球产生影响,耀斑和另一种名为日冕物质抛射的太阳风暴有时甚至能扰乱人类的太空活动。SDO拍摄的这些影像有助于研究者更好地理解保持太阳恒久运动的电磁系统的复杂性,让他们拥有了一个全新观察地球跟太阳关系的角度。
The Sun is always changing and NASA's Solar Dynamics Observatory is always watching. Launched on February 11, 2010, SDO keeps a 24-hour eye on the entire disk of The Sun, with a prime view of hte graceful dance of solar material coursing through The Sun's atmosphere, the corona.
SDO captures images of The Sun in 10 different wavelengths, each of which helps highlight a different temperature of solar material. Different temperatures can, in turn, show specific structures on The Sun such as solar flares, which are gigantic explosions of light and x-rays, or coronal loops, which are stream of solar material travelling up and down looping magnetic field lines.
Scientists study these images to better understand the complex electromagnetic system causing the constant movement on The Sun, which can ultimately have an effect closer to Earth, too. Flares and another type of solar explosion called coronal mass ejections can sometimes disrupt technology in space. Moreover, studying our closest star is one way of learning about other stars in the galaxy. NASA's Goddard Space Flight Center in Greenbelt, Md. built, operates, and manages the SDO spacecraft for NASA's Science Mission Directorate in Washington, D.C.

视频参数:
  1. General
  2. Complete name : NASA - Thermonuclear Art - The Sun in Ultra-High Definition (4K, H.264).mp4
  3. Format : MPEG-4
  4. Format version : Version 4/Version 2
  5. File size : 9.82GiB
  6. Duration : 30mn 24s
  7. Overall bit rate mode: Variable
  8. Overall bit rate : 46.2 Mbps
  9. Encoded date : UTC 2016-02-06 06:28:16
  10. Tagged date : UTC 2016-02-06 06:28:16
  11. Writing application : HandBrake 0.10.2.2015060900

  12. Video
  13. ID : 1
  14. Format : AVC
  15. Format/Info : Advanced Video Codec
  16. Format profile : High@L4.1
  17. Format settings, CABAC : Yes
  18. Format settings, ReFrames : 1 frames
  19. Codec ID : avc1
  20. Codec ID/Info : Advanced Video Coding
  21. Duration : 30mn 24s
  22. Bit rate : 45.8 Mbps
  23. Width : 3840 pixels
  24. Height : 2160 pixels
  25. Display aspect ratio : 16:9
  26. Frame rate mode : Variable
  27. Frame rate : 59.940 fps
  28. Minimum frame rate : 59.920 fps
  29. Maximum frame rate : 59.960 fps
  30. Color space : YUV
  31. Chroma subsampling : 4:2:0
  32. Bit depth : 8 bits
  33. Scan type : Progressive
  34. Bits/(Pixel*Frame) : 0.092
  35. Stream size : 9.74 GiB (99%)
  36. Writing library : x264 core 142 r2479 dd79a61
  37. Encoding settings : cabac=1 / ref=1 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh/subme=7 / psy=1 /  psy_rd=1.00:0.10 / mixed_ref=0 / me_range=16 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 /  deadzone=21,11 / fast_pskip=1 / chroma_qp_offset=-2 / threads=18
  38. Encoded date : UTC 2016-02-06 06:28:16
  39. Tagged date : UTC 2016-02-06 06:28:16
  40. Color range : Limited
  41. Color primaries : BT.709
  42. Transfer characteristics : BT.709
  43. Matrix coefficients : BT.709

  44. Audio
  45. ID : 2
  46. Format : AAC
  47. Format/Info : Advanced Video Codec
  48. Mode extension : LC
  49. Codec ID : 40
  50. Duration : 33mn 24s
  51. Bit rate mode : Variable
  52. Bit rate : 156 Kbps  
  53. Channel(s) : 2 channels
  54. Channel positions : Front: L R
  55. Sampling rate : 48.0 KHz
  56. Frame rate : 46.875 fps (1024 spf)
  57. Compression mode : Lossy
  58. Stream size : 33.9 MiB (0%)
  59. Title : Stereo / Stereo
  60. Language : English
  61. Default : Yes
  62. Alternategroup : 1
  63. Encoded date : UTC 2016-02-06 06:28:16
  64. Tagged date : UTC 2016-02-06 06:28:16

  65. Audio
  66. ID : 3
  67. Format : AC-3
  68. Format/Info : Audio Coding 3
  69. Mode extension : CM (complete main)
  70. Format settings, Endianness : Big
  71. Codec ID : AC-3
  72. Duration : 30mn 24s
  73. Bit rate mode : Constant  
  74. Bit rate : 224 Kbps  
  75. Channel(s) : 2 channels
  76. Channel positions : Front: L R
  77. Sampling rate : 48.0 KHz
  78. Frame rate : 31.250 fps (1536 spf)
  79. Bit depth : 16 bits
  80. Compression mode : Lossy
  81. Stream size : 48.7 MiB (0%)
  82. Title : Stereo / Stereo
  83. Language : English
  84. Default : No
  85. Alternategroup : 1
  86. Encoded date : UTC 2016-02-06 06:28:16
  87. Tagged date : UTC 2016-02-06 06:28:16
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游客,如果您要查看本帖隐藏内容请回复
发表于 2021-3-7 23:27:33 | 显示全部楼层
看起来不错
发表于 2021-3-8 07:56:59 | 显示全部楼层

看起来不错
发表于 2021-3-8 11:07:54 | 显示全部楼层
震撼!激动人心的画面
发表于 2021-3-8 14:27:38 | 显示全部楼层

谢谢楼主分享
发表于 2021-3-8 18:22:49 | 显示全部楼层
从未如此震撼
发表于 2021-3-8 18:30:32 | 显示全部楼层
什么神人都有,果断收藏
发表于 2021-3-8 20:03:36 | 显示全部楼层
谢谢分享。。。。
发表于 2021-3-8 22:42:46 | 显示全部楼层
震撼,看起来不错
发表于 2021-3-9 00:08:28 | 显示全部楼层
谢谢楼主分享。

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